51170406 has 24 divisors (see below), whose sum is σ = 119050200. Its totient is φ = 14620032.

The previous prime is 51170393. The next prime is 51170411. The reversal of 51170406 is 60407115.

It is a congruent number.

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, 86731 + ... + 87318.

It is an arithmetic number, because the mean of its divisors is an integer number (4960425).

Almost surely, 2^51170406 is an apocalyptic number.

51170406 is an abundant number, since it is smaller than the sum of its proper divisors (67879794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51170406 is a wasteful number, since it uses less digits than its factorization.

51170406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174068 (or 174061 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 51170406 is about 7153.3492854746. The cubic root of 51170406 is about 371.2555495775.

The spelling of 51170406 in words is "fifty-one million, one hundred seventy thousand, four hundred six".