51548957 has 16 divisors (see below), whose sum is σ = 57024000. Its totient is φ = 46381104.

The previous prime is 51548941. The next prime is 51548963. The reversal of 51548957 is 75984515.

It is a cyclic number.

It is not a de Polignac number, because 51548957 - 2⁴ = 51548941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51548977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77894 + ... + 78552.

It is an arithmetic number, because the mean of its divisors is an integer number (3564000).

Almost surely, 2^51548957 is an apocalyptic number.

It is an amenable number.

51548957 is a deficient number, since it is larger than the sum of its proper divisors (5475043).

51548957 is a wasteful number, since it uses less digits than its factorization.

51548957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its digits is 252000, while the sum is 44.

The square root of 51548957 is about 7179.7602327654. The cubic root of 51548957 is about 372.1687988904.

The spelling of 51548957 in words is "fifty-one million, five hundred forty-eight thousand, nine hundred fifty-seven".