51477288730 has 32 divisors (see below), whose sum is σ = 105913760256. Its totient is φ = 17646418944.

The previous prime is 51477288727. The next prime is 51477288763. The reversal of 51477288730 is 3788277415.

It is a super-2 number, since 2×51477288730² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385567 + ... + 501613.

It is an arithmetic number, because the mean of its divisors is an integer number (3309805008).

Almost surely, 2^51477288730 is an apocalyptic number.

51477288730 is an abundant number, since it is smaller than the sum of its proper divisors (54436471526).

51477288730 is a wasteful number, since it uses less digits than its factorization.

51477288730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122398.

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 51477288730 in words is "fifty-one billion, four hundred seventy-seven million, two hundred eighty-eight thousand, seven hundred thirty".