53157375 has 24 divisors (see below), whose sum is σ = 95827056. Its totient is φ = 28350000.

The previous prime is 53157367. The next prime is 53157427. The reversal of 53157375 is 57375135.

It is a happy number.

53157375 is a `hidden beast` number, since 531 + 57 + 3 + 75 = 666.

It is a Cunningham number, because it is equal to 376³-1.

It is not a de Polignac number, because 53157375 - 2³ = 53157367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22501 + ... + 24750.

It is an arithmetic number, because the mean of its divisors is an integer number (3992794).

Almost surely, 2^53157375 is an apocalyptic number.

53157375 is a deficient number, since it is larger than the sum of its proper divisors (42669681).

53157375 is a wasteful number, since it uses less digits than its factorization.

53157375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47272 (or 47259 counting only the distinct ones).

The product of its digits is 55125, while the sum is 36.

The square root of 53157375 is about 7290.9104369756. The cubic root of 53157375 is about 375.9999976422. Note that the first 5 decimals are identical.

The spelling of 53157375 in words is "fifty-three million, one hundred fifty-seven thousand, three hundred seventy-five".