51148372 has 12 divisors (see below), whose sum is σ = 97646976. Its totient is φ = 23249240.

The previous prime is 51148367. The next prime is 51148421. The reversal of 51148372 is 27384115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581188 + ... + 581275.

It is an arithmetic number, because the mean of its divisors is an integer number (8137248).

Almost surely, 2^51148372 is an apocalyptic number.

It is an amenable number.

51148372 is a deficient number, since it is larger than the sum of its proper divisors (46498604).

51148372 is a wasteful number, since it uses less digits than its factorization.

51148372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162478 (or 1162476 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 51148372 is about 7151.8090019239. The cubic root of 51148372 is about 371.2022543245.

The spelling of 51148372 in words is "fifty-one million, one hundred forty-eight thousand, three hundred seventy-two".