557007486 has 16 divisors (see below), whose sum is σ = 1273160064. Its totient is φ = 159144984.

The previous prime is 557007469. The next prime is 557007487. The reversal of 557007486 is 684700755.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 13262083 = 557007486 / (5 + 5 + 7 + 0 + 0 + 7 + 4 + 8 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557007487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6631000 + ... + 6631083.

It is an arithmetic number, because the mean of its divisors is an integer number (79572504).

Almost surely, 2^557007486 is an apocalyptic number.

557007486 is an abundant number, since it is smaller than the sum of its proper divisors (716152578).

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

557007486 is a wasteful number, since it uses less digits than its factorization.

557007486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13262095.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 557007486 is about 23601.0060378790. The cubic root of 557007486 is about 822.7862221432.

The spelling of 557007486 in words is "five hundred fifty-seven million, seven thousand, four hundred eighty-six".