51361828283880 has 160 divisors (see below), whose sum is σ = 172639261476000. Its totient is φ = 13695975828864.

The previous prime is 51361828283869. The next prime is 51361828283891. The reversal of 51361828283880 is 8838282816315.

It is a happy number.

51361828283880 is a `hidden beast` number, since 5 + 1 + 3 + 618 + 2 + 8 + 2 + 8 + 3 + 8 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (51361828283869) and next prime (51361828283891).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 90758679 + ... + 91322841.

It is an arithmetic number, because the mean of its divisors is an integer number (1078995384225).

Almost surely, 2^{51361828283880} is an apocalyptic number.

It is an amenable number.

51361828283880 is an abundant number, since it is smaller than the sum of its proper divisors (121277433192120).

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

51361828283880 is a wasteful number, since it uses less digits than its factorization.

51361828283880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592285 (or 592272 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 63.

The spelling of 51361828283880 in words is "fifty-one trillion, three hundred sixty-one billion, eight hundred twenty-eight million, two hundred eighty-three thousand, eight hundred eighty".