51402700 has 36 divisors (see below), whose sum is σ = 116398800. Its totient is φ = 19666240.

The previous prime is 51402691. The next prime is 51402707. The reversal of 51402700 is 720415.

It is not an unprimeable number, because it can be changed into a prime (51402707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8875 + ... + 13474.

It is an arithmetic number, because the mean of its divisors is an integer number (3233300).

Almost surely, 2^51402700 is an apocalyptic number.

51402700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51402700 is an abundant number, since it is smaller than the sum of its proper divisors (64996100).

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

51402700 is a wasteful number, since it uses less digits than its factorization.

51402700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22386 (or 22379 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 51402700 is about 7169.5676299202. The cubic root of 51402700 is about 371.8164875102.

The spelling of 51402700 in words is "fifty-one million, four hundred two thousand, seven hundred".