51205275302 has 16 divisors (see below), whose sum is σ = 77172632592. Its totient is φ = 25481191680.

The previous prime is 51205275281. The next prime is 51205275307. The reversal of 51205275302 is 20357250215.

It is a super-2 number, since 2×51205275302² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51205275307) 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, 799658 + ... + 861314.

It is an arithmetic number, because the mean of its divisors is an integer number (4823289537).

Almost surely, 2^51205275302 is an apocalyptic number.

51205275302 is a deficient number, since it is larger than the sum of its proper divisors (25967357290).

51205275302 is a wasteful number, since it uses less digits than its factorization.

51205275302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63623.

The product of its (nonzero) digits is 21000, while the sum is 32.

The spelling of 51205275302 in words is "fifty-one billion, two hundred five million, two hundred seventy-five thousand, three hundred two".