51970200807 has 48 divisors (see below), whose sum is σ = 81994883040. Its totient is φ = 29188712448.

The previous prime is 51970200787. The next prime is 51970200809. The reversal of 51970200807 is 70800207915.

51970200807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51970200807 - 2¹⁰ = 51970199783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51970200809) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3135919 + ... + 3152447.

It is an arithmetic number, because the mean of its divisors is an integer number (1708226730).

Almost surely, 2^51970200807 is an apocalyptic number.

51970200807 is a deficient number, since it is larger than the sum of its proper divisors (30024682233).

51970200807 is a wasteful number, since it uses less digits than its factorization.

51970200807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16912 (or 16905 counting only the distinct ones).

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

The spelling of 51970200807 in words is "fifty-one billion, nine hundred seventy million, two hundred thousand, eight hundred seven".