57503380 has 24 divisors (see below), whose sum is σ = 131735520. Its totient is φ = 20910240.

The previous prime is 57503377. The next prime is 57503417. The reversal of 57503380 is 8330575.

It is a super-2 number, since 2×57503380² = 6613277422848800, which contains 22 as substring.

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, 130470 + ... + 130909.

It is an arithmetic number, because the mean of its divisors is an integer number (5488980).

Almost surely, 2^57503380 is an apocalyptic number.

It is an amenable number.

57503380 is an abundant number, since it is smaller than the sum of its proper divisors (74232140).

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

57503380 is a wasteful number, since it uses less digits than its factorization.

57503380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261399 (or 261397 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 57503380 is about 7583.0983113764. The cubic root of 57503380 is about 385.9796941362.

The spelling of 57503380 in words is "fifty-seven million, five hundred three thousand, three hundred eighty".