57390629 has 4 divisors (see below), whose sum is σ = 58176876. Its totient is φ = 56604384.

The previous prime is 57390587. The next prime is 57390637. The reversal of 57390629 is 92609375.

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 37185604 + 20205025 = 6098^2 + 4495^2 .

It is a cyclic number.

It is not a de Polignac number, because 57390629 - 2⁸ = 57390373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57390329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393014 + ... + 393159.

It is an arithmetic number, because the mean of its divisors is an integer number (14544219).

Almost surely, 2^57390629 is an apocalyptic number.

It is an amenable number.

57390629 is a deficient number, since it is larger than the sum of its proper divisors (786247).

57390629 is an equidigital number, since it uses as much as digits as its factorization.

57390629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786246.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 57390629 is about 7575.6603012543. The cubic root of 57390629 is about 385.7272563866.

The spelling of 57390629 in words is "fifty-seven million, three hundred ninety thousand, six hundred twenty-nine".