57148056 has 96 divisors (see below), whose sum is σ = 178308000. Its totient is φ = 16197120.

The previous prime is 57148051. The next prime is 57148079. The reversal of 57148056 is 65084175.

57148056 is a `hidden beast` number, since 571 + 4 + 80 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 57148056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57148051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74716 + ... + 75476.

It is an arithmetic number, because the mean of its divisors is an integer number (1857375).

Almost surely, 2^57148056 is an apocalyptic number.

57148056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57148056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89154000).

57148056 is an abundant number, since it is smaller than the sum of its proper divisors (121159944).

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

57148056 is a wasteful number, since it uses less digits than its factorization.

57148056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 57148056 is about 7559.6333244411. The cubic root of 57148056 is about 385.1830377200.

It can be divided in two parts, 571480 and 56, that added together give a square (571536 = 756²).

The spelling of 57148056 in words is "fifty-seven million, one hundred forty-eight thousand, fifty-six".