51476020 has 24 divisors (see below), whose sum is σ = 109061064. Its totient is φ = 20407296.

The previous prime is 51476011. The next prime is 51476039. The reversal of 51476020 is 2067415.

It can be written as a sum of positive squares in 4 ways, for example, as 2643876 + 48832144 = 1626^2 + 6988^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9129 + ... + 13648.

It is an arithmetic number, because the mean of its divisors is an integer number (4544211).

Almost surely, 2^51476020 is an apocalyptic number.

It is an amenable number.

51476020 is an abundant number, since it is smaller than the sum of its proper divisors (57585044).

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

51476020 is a wasteful number, since it uses less digits than its factorization.

51476020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22899 (or 22897 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 51476020 is about 7174.6790869000. The cubic root of 51476020 is about 371.9931879124.

The spelling of 51476020 in words is "fifty-one million, four hundred seventy-six thousand, twenty".