57148855 has 8 divisors (see below), whose sum is σ = 68619600. Its totient is φ = 45691776.

The previous prime is 57148843. The next prime is 57148867. The reversal of 57148855 is 55884175.

57148855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57148843) and next prime (57148867).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57148855 - 2⁷ = 57148727 is a prime.

It is a super-2 number, since 2×57148855² = 6531983255622050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12751 + ... + 16639.

It is an arithmetic number, because the mean of its divisors is an integer number (8577450).

Almost surely, 2^57148855 is an apocalyptic number.

57148855 is a deficient number, since it is larger than the sum of its proper divisors (11470745).

57148855 is a wasteful number, since it uses less digits than its factorization.

57148855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6833.

The product of its digits is 224000, while the sum is 43.

The square root of 57148855 is about 7559.6861707349. The cubic root of 57148855 is about 385.1848328222.

The spelling of 57148855 in words is "fifty-seven million, one hundred forty-eight thousand, eight hundred fifty-five".