51415948 has 12 divisors (see below), whose sum is σ = 93890160. Its totient is φ = 24590192.

The previous prime is 51415937. The next prime is 51415951. The reversal of 51415948 is 84951415.

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, 279343 + ... + 279526.

It is an arithmetic number, because the mean of its divisors is an integer number (7824180).

Almost surely, 2^51415948 is an apocalyptic number.

It is an amenable number.

51415948 is a deficient number, since it is larger than the sum of its proper divisors (42474212).

51415948 is a wasteful number, since it uses less digits than its factorization.

51415948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558896 (or 558894 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The square root of 51415948 is about 7170.4914754848. The cubic root of 51415948 is about 371.8484274777.

The spelling of 51415948 in words is "fifty-one million, four hundred fifteen thousand, nine hundred forty-eight".