57090429 has 12 divisors (see below), whose sum is σ = 89960832. Its totient is φ = 34600200.

The previous prime is 57090427. The next prime is 57090433. The reversal of 57090429 is 92409075.

It is not a de Polignac number, because 57090429 - 2¹ = 57090427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57090393 and 57090402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57090427) 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, 288237 + ... + 288434.

It is an arithmetic number, because the mean of its divisors is an integer number (7496736).

Almost surely, 2^57090429 is an apocalyptic number.

It is an amenable number.

57090429 is a deficient number, since it is larger than the sum of its proper divisors (32870403).

57090429 is a wasteful number, since it uses less digits than its factorization.

57090429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576688 (or 576685 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 57090429 is about 7555.8208687078. The cubic root of 57090429 is about 385.0535237893.

The spelling of 57090429 in words is "fifty-seven million, ninety thousand, four hundred twenty-nine".