57378507 has 16 divisors (see below), whose sum is σ = 77686560. Its totient is φ = 37665792.

The previous prime is 57378479. The next prime is 57378521. The reversal of 57378507 is 70587375.

It is not a de Polignac number, because 57378507 - 2¹² = 57374411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57378547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77913 + ... + 78645.

It is an arithmetic number, because the mean of its divisors is an integer number (4855410).

Almost surely, 2^57378507 is an apocalyptic number.

57378507 is a deficient number, since it is larger than the sum of its proper divisors (20308053).

57378507 is a wasteful number, since it uses less digits than its factorization.

57378507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102.

The product of its (nonzero) digits is 205800, while the sum is 42.

The square root of 57378507 is about 7574.8601967297. The cubic root of 57378507 is about 385.7000968130.

The spelling of 57378507 in words is "fifty-seven million, three hundred seventy-eight thousand, five hundred seven".