51000476 has 24 divisors (see below), whose sum is σ = 98612640. Its totient is φ = 22956032.

The previous prime is 51000463. The next prime is 51000479. The reversal of 51000476 is 67400015.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51000479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14741 + ... + 17868.

It is an arithmetic number, because the mean of its divisors is an integer number (4108860).

Almost surely, 2^51000476 is an apocalyptic number.

It is an amenable number.

51000476 is a deficient number, since it is larger than the sum of its proper divisors (47612164).

51000476 is a wasteful number, since it uses less digits than its factorization.

51000476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32653 (or 32651 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 51000476 is about 7141.4617551311. The cubic root of 51000476 is about 370.8441306567.

The spelling of 51000476 in words is "fifty-one million, four hundred seventy-six", and thus it is an aban number.