53997135 has 16 divisors (see below), whose sum is σ = 86573184. Its totient is φ = 28739232.

The previous prime is 53997127. The next prime is 53997143. The reversal of 53997135 is 53179935.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53997127) and next prime (53997143).

It is not a de Polignac number, because 53997135 - 2³ = 53997127 is a prime.

It is a congruent number.

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, 4404 + ... + 11286.

It is an arithmetic number, because the mean of its divisors is an integer number (5410824).

Almost surely, 2^53997135 is an apocalyptic number.

53997135 is a deficient number, since it is larger than the sum of its proper divisors (32576049).

53997135 is a wasteful number, since it uses less digits than its factorization.

53997135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414.

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

The square root of 53997135 is about 7348.2742872051. The cubic root of 53997135 is about 377.9696302691.

The spelling of 53997135 in words is "fifty-three million, nine hundred ninety-seven thousand, one hundred thirty-five".