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52548625920 = 293577912373
BaseRepresentation
bin110000111100001001…
…000110011000000000
312000122012111210010110
4300330021012120000
51330104422012140
640050203231320
73540126644010
oct607411063000
9160565453113
1052548625920
112031636946a
12a226518540
134c55a95cbb
142786ddbc40
1515784c8380
hexc3c246600

52548625920 has 320 divisors, whose sum is σ = 194436126720. Its totient is φ = 11858116608.

The previous prime is 52548625891. The next prime is 52548625949. The reversal of 52548625920 is 2952684525.

It is an interprime number because it is at equal distance from previous prime (52548625891) and next prime (52548625949).

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×525486259202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 52548625920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4240854 + ... + 4253226.

It is an arithmetic number, because the mean of its divisors is an integer number (607612896).

Almost surely, 252548625920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52548625920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97218063360).

52548625920 is an abundant number, since it is smaller than the sum of its proper divisors (141887500800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52548625920 is a wasteful number, since it uses less digits than its factorization.

52548625920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12485 (or 12469 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 52548625920 in words is "fifty-two billion, five hundred forty-eight million, six hundred twenty-five thousand, nine hundred twenty".