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53612052480 = 2163257353
BaseRepresentation
bin110001111011100001…
…110000000000000000
312010101022112110010100
4301323201300000000
51334244141134410
640343512202400
73605361633000
oct617341600000
9163338473110
1053612052480
1120811673598
12a482699400
1350951ac99c
14284833a000
1515dba378c0
hexc7b870000

53612052480 has 816 divisors, whose sum is σ = 220828420800. Its totient is φ = 12022972416.

The previous prime is 53612052443. The next prime is 53612052493. The reversal of 53612052480 is 8425021635.

53612052480 is a `hidden beast` number, since 5 + 3 + 6 + 120 + 52 + 480 = 666.

It is a super-2 number, since 2×536120524802 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1011548134 + ... + 1011548186.

Almost surely, 253612052480 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 53612052480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110414210400).

53612052480 is an abundant number, since it is smaller than the sum of its proper divisors (167216368320).

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

53612052480 is an frugal number, since it uses more digits than its factorization.

53612052480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 53612052480 in words is "fifty-three billion, six hundred twelve million, fifty-two thousand, four hundred eighty".