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53850720 = 25357113147
BaseRepresentation
bin1100110101101…
…1001001100000
310202022220022010
43031123021200
5102241210340
65202112520
71222503120
oct315331140
9122286263
1053850720
1128440930
121604b740
13b206041
14721ac80
154adab80
hex335b260

53850720 has 384 divisors, whose sum is σ = 222953472. Its totient is φ = 10598400.

The previous prime is 53850701. The next prime is 53850733. The reversal of 53850720 is 2705835.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1145737 + ... + 1145783.

It is an arithmetic number, because the mean of its divisors is an integer number (580608).

Almost surely, 253850720 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 53850720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111476736).

53850720 is an abundant number, since it is smaller than the sum of its proper divisors (169102752).

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

53850720 is a wasteful number, since it uses less digits than its factorization.

53850720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 53850720 is about 7338.3049813973. The cubic root of 53850720 is about 377.6276953496.

The spelling of 53850720 in words is "fifty-three million, eight hundred fifty thousand, seven hundred twenty".