57246638 has 16 divisors (see below), whose sum is σ = 90342000. Its totient is φ = 27166272.

The previous prime is 57246589. The next prime is 57246641. The reversal of 57246638 is 83664275.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57246595 and 57246604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4943 + ... + 11786.

It is an arithmetic number, because the mean of its divisors is an integer number (5646375).

Almost surely, 2^57246638 is an apocalyptic number.

57246638 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

57246638 is a deficient number, since it is larger than the sum of its proper divisors (33095362).

57246638 is a wasteful number, since it uses less digits than its factorization.

57246638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16819.

The product of its digits is 241920, while the sum is 41.

The square root of 57246638 is about 7566.1508047355. The cubic root of 57246638 is about 385.4043943356.

The spelling of 57246638 in words is "fifty-seven million, two hundred forty-six thousand, six hundred thirty-eight".