57403770 has 64 divisors (see below), whose sum is σ = 142456320. Its totient is φ = 14796288.

The previous prime is 57403763. The next prime is 57403783. The reversal of 57403770 is 7730475.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125382 + ... + 125838.

It is an arithmetic number, because the mean of its divisors is an integer number (2225880).

Almost surely, 2^57403770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57403770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71228160).

57403770 is an abundant number, since it is smaller than the sum of its proper divisors (85052550).

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

57403770 is a wasteful number, since it uses less digits than its factorization.

57403770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 57403770 is about 7576.5275687481. The cubic root of 57403770 is about 385.7566947295.

The spelling of 57403770 in words is "fifty-seven million, four hundred three thousand, seven hundred seventy".