51028907700 has 36 divisors (see below), whose sum is σ = 147643640480. Its totient is φ = 13607708640.

The previous prime is 51028907689. The next prime is 51028907773. The reversal of 51028907700 is 770982015.

It is a congruent number.

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, 85047880 + ... + 85048479.

Almost surely, 2^51028907700 is an apocalyptic number.

51028907700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51028907700 is an abundant number, since it is smaller than the sum of its proper divisors (96614732780).

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

51028907700 is a wasteful number, since it uses less digits than its factorization.

51028907700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170096376 (or 170096369 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 51028907700 in words is "fifty-one billion, twenty-eight million, nine hundred seven thousand, seven hundred".