57451438 has 32 divisors (see below), whose sum is σ = 96671232. Its totient is φ = 25387200.

The previous prime is 57451411. The next prime is 57451441. The reversal of 57451438 is 83415475.

Its product of digits (67200) is a multiple of the sum of its prime divisors (600).

It is a junction number, because it is equal to n+sod(n) for n = 57451397 and 57451406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133083 + ... + 133513.

It is an arithmetic number, because the mean of its divisors is an integer number (3020976).

Almost surely, 2^57451438 is an apocalyptic number.

57451438 is a deficient number, since it is larger than the sum of its proper divisors (39219794).

57451438 is a wasteful number, since it uses less digits than its factorization.

57451438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600.

The product of its digits is 67200, while the sum is 37.

The square root of 57451438 is about 7579.6726842259. The cubic root of 57451438 is about 385.8634424374.

The spelling of 57451438 in words is "fifty-seven million, four hundred fifty-one thousand, four hundred thirty-eight".