57406826 has 8 divisors (see below), whose sum is σ = 86145024. Its totient is φ = 28691820.

The previous prime is 57406819. The next prime is 57406829. The reversal of 57406826 is 62860475.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 57406826.

It is not an unprimeable number, because it can be changed into a prime (57406829) by changing a digit.

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, 3161 + ... + 11171.

It is an arithmetic number, because the mean of its divisors is an integer number (10768128).

Almost surely, 2^57406826 is an apocalyptic number.

57406826 is a deficient number, since it is larger than the sum of its proper divisors (28738198).

57406826 is a wasteful number, since it uses less digits than its factorization.

57406826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11596.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 57406826 is about 7576.7292415659. The cubic root of 57406826 is about 385.7635401077.

The spelling of 57406826 in words is "fifty-seven million, four hundred six thousand, eight hundred twenty-six".