57455129 has 4 divisors (see below), whose sum is σ = 57507684. Its totient is φ = 57402576.

The previous prime is 57455051. The next prime is 57455131. The reversal of 57455129 is 92155475.

It is a happy number.

57455129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29997529 + 27457600 = 5477^2 + 5240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57455129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57455092 and 57455101.

It is not an unprimeable number, because it can be changed into a prime (57455149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24602 + ... + 26835.

It is an arithmetic number, because the mean of its divisors is an integer number (14376921).

Almost surely, 2^57455129 is an apocalyptic number.

It is an amenable number.

57455129 is a deficient number, since it is larger than the sum of its proper divisors (52555).

57455129 is a wasteful number, since it uses less digits than its factorization.

57455129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52554.

The product of its digits is 63000, while the sum is 38.

The square root of 57455129 is about 7579.9161604862. The cubic root of 57455129 is about 385.8717055985.

The spelling of 57455129 in words is "fifty-seven million, four hundred fifty-five thousand, one hundred twenty-nine".