53125155 has 24 divisors (see below), whose sum is σ = 94575312. Its totient is φ = 27566784.

The previous prime is 53125151. The next prime is 53125157. The reversal of 53125155 is 55152135.

It is not a de Polignac number, because 53125155 - 2² = 53125151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53125151) 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, 14289 + ... + 17618.

It is an arithmetic number, because the mean of its divisors is an integer number (3940638).

Almost surely, 2^53125155 is an apocalyptic number.

53125155 is a deficient number, since it is larger than the sum of its proper divisors (41450157).

53125155 is a wasteful number, since it uses less digits than its factorization.

53125155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31955 (or 31952 counting only the distinct ones).

The product of its digits is 3750, while the sum is 27.

The square root of 53125155 is about 7288.7005014611. The cubic root of 53125155 is about 375.9240146551.

The spelling of 53125155 in words is "fifty-three million, one hundred twenty-five thousand, one hundred fifty-five".