57148452 has 36 divisors (see below), whose sum is σ = 145359760. Its totient is φ = 18930672.

The previous prime is 57148451. The next prime is 57148453. The reversal of 57148452 is 25484175.

57148452 is a `hidden beast` number, since 571 + 4 + 84 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (57148451) and next prime (57148453).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (57148451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 999 + ... + 10737.

Almost surely, 2^57148452 is an apocalyptic number.

It is an amenable number.

57148452 is an abundant number, since it is smaller than the sum of its proper divisors (88211308).

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

57148452 is a wasteful number, since it uses less digits than its factorization.

57148452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9912 (or 9907 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 57148452 is about 7559.6595161422. The cubic root of 57148452 is about 385.1839274098.

It can be divided in two parts, 571484 and 52, that added together give a square (571536 = 756²).

The spelling of 57148452 in words is "fifty-seven million, one hundred forty-eight thousand, four hundred fifty-two".