57499963 has 4 divisors (see below), whose sum is σ = 58146120. Its totient is φ = 56853808.

The previous prime is 57499957. The next prime is 57499969. The reversal of 57499963 is 36999475.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (57499957) and next prime (57499969).

It is a cyclic number.

It is not a de Polignac number, because 57499963 - 2¹⁷ = 57368891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57499963.

It is not an unprimeable number, because it can be changed into a prime (57499969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322945 + ... + 323122.

It is an arithmetic number, because the mean of its divisors is an integer number (14536530).

Almost surely, 2^57499963 is an apocalyptic number.

57499963 is a deficient number, since it is larger than the sum of its proper divisors (646157).

57499963 is an equidigital number, since it uses as much as digits as its factorization.

57499963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646156.

The product of its digits is 1837080, while the sum is 52.

The square root of 57499963 is about 7582.8730043434. The cubic root of 57499963 is about 385.9720486798.

The spelling of 57499963 in words is "fifty-seven million, four hundred ninety-nine thousand, nine hundred sixty-three".