53138776 has 8 divisors (see below), whose sum is σ = 99635220. Its totient is φ = 26569384.

The previous prime is 53138737. The next prime is 53138777. The reversal of 53138776 is 67783135.

53138776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53138777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3321166 + ... + 3321181.

Almost surely, 2^53138776 is an apocalyptic number.

It is an amenable number.

53138776 is a deficient number, since it is larger than the sum of its proper divisors (46496444).

53138776 is a wasteful number, since it uses less digits than its factorization.

53138776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642353 (or 6642349 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 53138776 is about 7289.6348331038. The cubic root of 53138776 is about 375.9561401986.

The spelling of 53138776 in words is "fifty-three million, one hundred thirty-eight thousand, seven hundred seventy-six".