53694720 has 216 divisors, whose sum is σ = 191318400. Its totient is φ = 13897728.

The previous prime is 53694713. The next prime is 53694737. The reversal of 53694720 is 2749635.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 679641 + ... + 679719.

Almost surely, 2^53694720 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 53694720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95659200).

53694720 is an abundant number, since it is smaller than the sum of its proper divisors (137623680).

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

53694720 is a wasteful number, since it uses less digits than its factorization.

53694720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 53694720 is about 7327.6681147552. The cubic root of 53694720 is about 377.2626931266.

The spelling of 53694720 in words is "fifty-three million, six hundred ninety-four thousand, seven hundred twenty".