53694691900416 has 264 divisors, whose sum is σ = 184979778271440. Its totient is φ = 15341340155904.

The previous prime is 53694691900387. The next prime is 53694691900417. The reversal of 53694691900416 is 61400919649635.

53694691900416 is a `hidden beast` number, since 5 + 3 + 6 + 9 + 46 + 91 + 90 + 0 + 416 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53694691900417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18462415 + ... + 21171918.

Almost surely, 2^{53694691900416} is an apocalyptic number.

53694691900416 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53694691900416 is an abundant number, since it is smaller than the sum of its proper divisors (131285086371024).

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

53694691900416 is a wasteful number, since it uses less digits than its factorization.

53694691900416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39634376 (or 39634345 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 63.

The spelling of 53694691900416 in words is "fifty-three trillion, six hundred ninety-four billion, six hundred ninety-one million, nine hundred thousand, four hundred sixteen".