51292700 has 18 divisors (see below), whose sum is σ = 111305376. Its totient is φ = 20517040.

The previous prime is 51292699. The next prime is 51292729. The reversal of 51292700 is 729215.

It is a self number, because there is not a number n which added to its sum of digits gives 51292700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 256364 + ... + 256563.

It is an arithmetic number, because the mean of its divisors is an integer number (6183632).

Almost surely, 2^51292700 is an apocalyptic number.

51292700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51292700 is an abundant number, since it is smaller than the sum of its proper divisors (60012676).

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

51292700 is a wasteful number, since it uses less digits than its factorization.

51292700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512941 (or 512934 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 51292700 is about 7161.8922080690. The cubic root of 51292700 is about 371.5510732869.

The spelling of 51292700 in words is "fifty-one million, two hundred ninety-two thousand, seven hundred".