57436426 has 8 divisors (see below), whose sum is σ = 86812704. Its totient is φ = 28498860.

The previous prime is 57436381. The next prime is 57436427. The reversal of 57436426 is 62463475.

57436426 = 33² + 34² + ... + 556².

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

It is not an unprimeable number, because it can be changed into a prime (57436427) 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, 109350 + ... + 109873.

It is an arithmetic number, because the mean of its divisors is an integer number (10851588).

Almost surely, 2^57436426 is an apocalyptic number.

57436426 is a deficient number, since it is larger than the sum of its proper divisors (29376278).

57436426 is a wasteful number, since it uses less digits than its factorization.

57436426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219356.

The product of its digits is 120960, while the sum is 37.

The square root of 57436426 is about 7578.6823392988. The cubic root of 57436426 is about 385.8298309398.

The spelling of 57436426 in words is "fifty-seven million, four hundred thirty-six thousand, four hundred twenty-six".