57628485 has 12 divisors (see below), whose sum is σ = 99889452. Its totient is φ = 30735168.

The previous prime is 57628457. The next prime is 57628489. The reversal of 57628485 is 58482675.

It can be written as a sum of positive squares in 2 ways, for example, as 25070049 + 32558436 = 5007^2 + 5706^2 .

It is not a de Polignac number, because 57628485 - 2¹⁰ = 57627461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1280633 = 57628485 / (5 + 7 + 6 + 2 + 8 + 4 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 57628485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57628489) 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, 640272 + ... + 640361.

It is an arithmetic number, because the mean of its divisors is an integer number (8324121).

Almost surely, 2^57628485 is an apocalyptic number.

It is an amenable number.

57628485 is a deficient number, since it is larger than the sum of its proper divisors (42260967).

57628485 is a wasteful number, since it uses less digits than its factorization.

57628485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280644 (or 1280641 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 57628485 is about 7591.3427665993. The cubic root of 57628485 is about 386.2594053072.

The spelling of 57628485 in words is "fifty-seven million, six hundred twenty-eight thousand, four hundred eighty-five".