57436344 has 64 divisors (see below), whose sum is σ = 182342400. Its totient is φ = 16409952.

The previous prime is 57436333. The next prime is 57436349. The reversal of 57436344 is 44363475.

It is a happy number.

57436344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57436344² = 6597867224172672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 57436299 and 57436308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57436349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17482 + ... + 20505.

It is an arithmetic number, because the mean of its divisors is an integer number (2849100).

Almost surely, 2^57436344 is an apocalyptic number.

57436344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

57436344 is an abundant number, since it is smaller than the sum of its proper divisors (124906056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57436344 is a wasteful number, since it uses less digits than its factorization.

57436344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38009 (or 37999 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 57436344 is about 7578.6769293855. The cubic root of 57436344 is about 385.8296473278.

The spelling of 57436344 in words is "fifty-seven million, four hundred thirty-six thousand, three hundred forty-four".