51272302046 has 36 divisors (see below), whose sum is σ = 89223542712. Its totient is φ = 21646688832.

The previous prime is 51272302027. The next prime is 51272302079. The reversal of 51272302046 is 64020327215.

It is a super-2 number, since 2×51272302046² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 61847960 + ... + 61848788.

It is an arithmetic number, because the mean of its divisors is an integer number (2478431742).

Almost surely, 2^51272302046 is an apocalyptic number.

51272302046 is a deficient number, since it is larger than the sum of its proper divisors (37951240666).

51272302046 is an frugal number, since it uses more digits than its factorization.

51272302046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 51272302046 in words is "fifty-one billion, two hundred seventy-two million, three hundred two thousand, forty-six".