57402763 has 12 divisors (see below), whose sum is σ = 64293264. Its totient is φ = 51194000.

The previous prime is 57402713. The next prime is 57402773. The reversal of 57402763 is 36720475.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-57402763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57402713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1938 + ... + 10888.

It is an arithmetic number, because the mean of its divisors is an integer number (5357772).

Almost surely, 2^57402763 is an apocalyptic number.

57402763 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

57402763 is a deficient number, since it is larger than the sum of its proper divisors (6890501).

57402763 is a wasteful number, since it uses less digits than its factorization.

57402763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9026 (or 9015 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 57402763 is about 7576.4611132111. The cubic root of 57402763 is about 385.7544390167.

The spelling of 57402763 in words is "fifty-seven million, four hundred two thousand, seven hundred sixty-three".