51862029494 has 24 divisors (see below), whose sum is σ = 86590469280. Its totient is φ = 23275240560.

The previous prime is 51862029437. The next prime is 51862029497. The reversal of 51862029494 is 49492026815.

51862029494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51862029497) 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, 1337249 + ... + 1375484.

It is an arithmetic number, because the mean of its divisors is an integer number (3607936220).

Almost surely, 2^51862029494 is an apocalyptic number.

51862029494 is a deficient number, since it is larger than the sum of its proper divisors (34728439786).

51862029494 is a wasteful number, since it uses less digits than its factorization.

51862029494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712836 (or 2712825 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 51862029494 in words is "fifty-one billion, eight hundred sixty-two million, twenty-nine thousand, four hundred ninety-four".