51199475 has 12 divisors (see below), whose sum is σ = 64203480. Its totient is φ = 40497600.

The previous prime is 51199469. The next prime is 51199483. The reversal of 51199475 is 57499115.

It is not a de Polignac number, because 51199475 - 2¹⁰ = 51198451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9281 + ... + 13730.

It is an arithmetic number, because the mean of its divisors is an integer number (5350290).

Almost surely, 2^51199475 is an apocalyptic number.

51199475 is a deficient number, since it is larger than the sum of its proper divisors (13004005).

51199475 is a wasteful number, since it uses less digits than its factorization.

51199475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23110 (or 23105 counting only the distinct ones).

The product of its digits is 56700, while the sum is 41.

The square root of 51199475 is about 7155.3808424150. The cubic root of 51199475 is about 371.3258375002.

The spelling of 51199475 in words is "fifty-one million, one hundred ninety-nine thousand, four hundred seventy-five".