51933621487372 has 24 divisors (see below), whose sum is σ = 92340683536640. Its totient is φ = 25551412500240.

The previous prime is 51933621487343. The next prime is 51933621487381. The reversal of 51933621487372 is 27378412633915.

It is a self number, because there is not a number n which added to its sum of digits gives 51933621487372.

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, 105184704 + ... + 105677287.

Almost surely, 2^{51933621487372} is an apocalyptic number.

It is an amenable number.

51933621487372 is a deficient number, since it is larger than the sum of its proper divisors (40407062049268).

51933621487372 is a wasteful number, since it uses less digits than its factorization.

51933621487372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210862981 (or 210862979 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 61.

The spelling of 51933621487372 in words is "fifty-one trillion, nine hundred thirty-three billion, six hundred twenty-one million, four hundred eighty-seven thousand, three hundred seventy-two".