51613584059748 has 48 divisors (see below), whose sum is σ = 124317914395136. Its totient is φ = 16649365812480.

The previous prime is 51613584059671. The next prime is 51613584059759. The reversal of 51613584059748 is 84795048531615.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36768840 + ... + 38146752.

Almost surely, 2^{51613584059748} is an apocalyptic number.

It is an amenable number.

51613584059748 is an abundant number, since it is smaller than the sum of its proper divisors (72704330335388).

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

51613584059748 is a wasteful number, since it uses less digits than its factorization.

51613584059748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478644 (or 1478642 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 66.

The spelling of 51613584059748 in words is "fifty-one trillion, six hundred thirteen billion, five hundred eighty-four million, fifty-nine thousand, seven hundred forty-eight".