57503061 has 64 divisors (see below), whose sum is σ = 112527360. Its totient is φ = 28097280.

The previous prime is 57503057. The next prime is 57503071. The reversal of 57503061 is 16030575.

57503061 is a `hidden beast` number, since 575 + 0 + 30 + 61 = 666.

It is not a de Polignac number, because 57503061 - 2² = 57503057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57503011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34530 + ... + 36156.

It is an arithmetic number, because the mean of its divisors is an integer number (1758240).

Almost surely, 2^57503061 is an apocalyptic number.

57503061 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

57503061 is a deficient number, since it is larger than the sum of its proper divisors (55024299).

57503061 is a wasteful number, since it uses less digits than its factorization.

57503061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1665 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 57503061 is about 7583.0772777283. The cubic root of 57503061 is about 385.9789803941.

The spelling of 57503061 in words is "fifty-seven million, five hundred three thousand, sixty-one".