51057273700 has 36 divisors (see below), whose sum is σ = 110920807732. Its totient is φ = 20399587200.

The previous prime is 51057273677. The next prime is 51057273733. The reversal of 51057273700 is 737275015.

It can be written as a sum of positive squares in 6 ways, for example, as 5541611364 + 45515662336 = 74442^2 + 213344^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51057273700.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203391 + ... + 378790.

Almost surely, 2^51057273700 is an apocalyptic number.

51057273700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51057273700 is an abundant number, since it is smaller than the sum of its proper divisors (59863534032).

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

51057273700 is a wasteful number, since it uses less digits than its factorization.

51057273700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583072 (or 583065 counting only the distinct ones).

The product of its (nonzero) digits is 51450, while the sum is 37.

The spelling of 51057273700 in words is "fifty-one billion, fifty-seven million, two hundred seventy-three thousand, seven hundred".