51224187328386 has 16 divisors (see below), whose sum is σ = 103100912076864. Its totient is φ = 16965972872784.

The previous prime is 51224187328337. The next prime is 51224187328403. The reversal of 51224187328386 is 68382378142215.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27189058150 + ... + 27189060033.

It is an arithmetic number, because the mean of its divisors is an integer number (6443807004804).

Almost surely, 2^{51224187328386} is an apocalyptic number.

51224187328386 is an abundant number, since it is smaller than the sum of its proper divisors (51876724748478).

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

51224187328386 is a wasteful number, since it uses less digits than its factorization.

51224187328386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54378118345.

The product of its digits is 30965760, while the sum is 60.

The spelling of 51224187328386 in words is "fifty-one trillion, two hundred twenty-four billion, one hundred eighty-seven million, three hundred twenty-eight thousand, three hundred eighty-six".