53610621057 has 24 divisors (see below), whose sum is σ = 88506462720. Its totient is φ = 30632428800.

The previous prime is 53610621013. The next prime is 53610621067. The reversal of 53610621057 is 75012601635.

53610621057 is a `hidden beast` number, since 536 + 1 + 0 + 62 + 10 + 57 = 666.

It is not a de Polignac number, because 53610621057 - 2¹¹ = 53610619009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53610621007) 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, 1308432 + ... + 1348782.

It is an arithmetic number, because the mean of its divisors is an integer number (3687769280).

Almost surely, 2^53610621057 is an apocalyptic number.

It is an amenable number.

53610621057 is a deficient number, since it is larger than the sum of its proper divisors (34895841663).

53610621057 is a wasteful number, since it uses less digits than its factorization.

53610621057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61453 (or 61450 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 53610621057 in words is "fifty-three billion, six hundred ten million, six hundred twenty-one thousand, fifty-seven".