51172663302 has 16 divisors (see below), whose sum is σ = 113717029680. Its totient is φ = 17057554416.

The previous prime is 51172663301. The next prime is 51172663303. The reversal of 51172663302 is 20336627115.

51172663302 is a `hidden beast` number, since 5 + 1 + 17 + 2 + 6 + 633 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (51172663301) and next prime (51172663303).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51172663301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473820903 + ... + 473821010.

It is an arithmetic number, because the mean of its divisors is an integer number (7107314355).

Almost surely, 2^51172663302 is an apocalyptic number.

51172663302 is an abundant number, since it is smaller than the sum of its proper divisors (62544366378).

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

51172663302 is a wasteful number, since it uses less digits than its factorization.

51172663302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947641924 (or 947641918 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 51172663302 in words is "fifty-one billion, one hundred seventy-two million, six hundred sixty-three thousand, three hundred two".