53356938 has 32 divisors (see below), whose sum is σ = 109486080. Its totient is φ = 17327280.

The previous prime is 53356903. The next prime is 53356967. The reversal of 53356938 is 83965335.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53356938.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121323 + ... + 121761.

It is an arithmetic number, because the mean of its divisors is an integer number (3421440).

Almost surely, 2^53356938 is an apocalyptic number.

53356938 is an abundant number, since it is smaller than the sum of its proper divisors (56129142).

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

53356938 is a wasteful number, since it uses less digits than its factorization.

53356938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its digits is 291600, while the sum is 42.

The square root of 53356938 is about 7304.5833556747. The cubic root of 53356938 is about 376.4699354663.

The spelling of 53356938 in words is "fifty-three million, three hundred fifty-six thousand, nine hundred thirty-eight".