57447028748 has 12 divisors (see below), whose sum is σ = 100536595992. Its totient is φ = 28722287040.

The previous prime is 57447028739. The next prime is 57447028757. The reversal of 57447028748 is 84782074475.

It is an interprime number because it is at equal distance from previous prime (57447028739) and next prime (57447028757).

It is a super-2 number, since 2×57447028748² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57447028693 and 57447028702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197165 + ... + 392132.

It is an arithmetic number, because the mean of its divisors is an integer number (8378049666).

Almost surely, 2^57447028748 is an apocalyptic number.

It is an amenable number.

57447028748 is a deficient number, since it is larger than the sum of its proper divisors (43089567244).

57447028748 is a wasteful number, since it uses less digits than its factorization.

57447028748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613672 (or 613670 counting only the distinct ones).

The product of its (nonzero) digits is 14049280, while the sum is 56.

The spelling of 57447028748 in words is "fifty-seven billion, four hundred forty-seven million, twenty-eight thousand, seven hundred forty-eight".