57406235 has 4 divisors (see below), whose sum is σ = 68887488. Its totient is φ = 45924984.

The previous prime is 57406199. The next prime is 57406241. The reversal of 57406235 is 53260475.

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

It is a cyclic number.

It is not a de Polignac number, because 57406235 - 2⁶ = 57406171 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5740619 + ... + 5740628.

It is an arithmetic number, because the mean of its divisors is an integer number (17221872).

Almost surely, 2^57406235 is an apocalyptic number.

57406235 is a deficient number, since it is larger than the sum of its proper divisors (11481253).

57406235 is a wasteful number, since it uses less digits than its factorization.

57406235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11481252.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 57406235 is about 7576.6902404678. The cubic root of 57406235 is about 385.7622162986.

Subtracting from 57406235 its reverse (53260475), we obtain a triangular number (4145760 = T₂₈₇₉).

The spelling of 57406235 in words is "fifty-seven million, four hundred six thousand, two hundred thirty-five".