53979135 has 36 divisors (see below), whose sum is σ = 100839384. Its totient is φ = 24585120.

The previous prime is 53979119. The next prime is 53979151. The reversal of 53979135 is 53197935.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53979119) and next prime (53979151).

It is not a de Polignac number, because 53979135 - 2⁴ = 53979119 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 199050 + ... + 199320.

It is an arithmetic number, because the mean of its divisors is an integer number (2801094).

Almost surely, 2^53979135 is an apocalyptic number.

53979135 is a deficient number, since it is larger than the sum of its proper divisors (46860249).

53979135 is an equidigital number, since it uses as much as digits as its factorization.

53979135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 286 counting only the distinct ones).

The product of its digits is 127575, while the sum is 42.

The square root of 53979135 is about 7347.0494077555. The cubic root of 53979135 is about 377.9276267476.

The spelling of 53979135 in words is "fifty-three million, nine hundred seventy-nine thousand, one hundred thirty-five".