53157128 has 16 divisors (see below), whose sum is σ = 99808080. Its totient is φ = 26541648.

The previous prime is 53157107. The next prime is 53157149. The reversal of 53157128 is 82175135.

It is an interprime number because it is at equal distance from previous prime (53157107) and next prime (53157149).

It is a junction number, because it is equal to n+sod(n) for n = 53157094 and 53157103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075 + ... + 10517.

It is an arithmetic number, because the mean of its divisors is an integer number (6238005).

Almost surely, 2^53157128 is an apocalyptic number.

It is an amenable number.

53157128 is a deficient number, since it is larger than the sum of its proper divisors (46650952).

53157128 is a wasteful number, since it uses less digits than its factorization.

53157128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9236 (or 9232 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 53157128 is about 7290.8934980563. The cubic root of 53157128 is about 375.9994152700. Note that the first 3 decimals are identical.

The spelling of 53157128 in words is "fifty-three million, one hundred fifty-seven thousand, one hundred twenty-eight".