57501966628248 has 64 divisors (see below), whose sum is σ = 150207022563840. Its totient is φ = 18309284657664.

The previous prime is 57501966628243. The next prime is 57501966628273. The reversal of 57501966628248 is 84282666910575.

It is a super-2 number, since 2×57501966628248² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57501966628243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69690961 + ... + 70511232.

It is an arithmetic number, because the mean of its divisors is an integer number (2346984727560).

Almost surely, 2^{57501966628248} is an apocalyptic number.

It is an amenable number.

57501966628248 is an abundant number, since it is smaller than the sum of its proper divisors (92705055935592).

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

57501966628248 is a wasteful number, since it uses less digits than its factorization.

57501966628248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140202968 (or 140202964 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 69.

The spelling of 57501966628248 in words is "fifty-seven trillion, five hundred one billion, nine hundred sixty-six million, six hundred twenty-eight thousand, two hundred forty-eight".