57248232720 has 480 divisors, whose sum is σ = 218713322880. Its totient is φ = 12316631040.

The previous prime is 57248232703. The next prime is 57248232749. The reversal of 57248232720 is 2723284275.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38654380 + ... + 38655860.

It is an arithmetic number, because the mean of its divisors is an integer number (455652756).

Almost surely, 2^57248232720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57248232720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109356661440).

57248232720 is an abundant number, since it is smaller than the sum of its proper divisors (161465090160).

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

57248232720 is a wasteful number, since it uses less digits than its factorization.

57248232720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 57248232720 in words is "fifty-seven billion, two hundred forty-eight million, two hundred thirty-two thousand, seven hundred twenty".