557887461 has 16 divisors (see below), whose sum is σ = 763682304. Its totient is φ = 362066544.

The previous prime is 557887433. The next prime is 557887483. The reversal of 557887461 is 164788755.

It is a happy number.

It is not a de Polignac number, because 557887461 - 2¹⁴ = 557871077 is a prime.

It is a super-2 number, since 2×557887461² = 622476838282053042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557887261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32560 + ... + 46646.

It is an arithmetic number, because the mean of its divisors is an integer number (47730144).

Almost surely, 2^557887461 is an apocalyptic number.

It is an amenable number.

557887461 is a deficient number, since it is larger than the sum of its proper divisors (205794843).

557887461 is a wasteful number, since it uses less digits than its factorization.

557887461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14440.

The product of its digits is 1881600, while the sum is 51.

The square root of 557887461 is about 23619.6414240352. The cubic root of 557887461 is about 823.2192805713.

It can be divided in two parts, 5578 and 87461, that added together give a palindrome (93039).

The spelling of 557887461 in words is "five hundred fifty-seven million, eight hundred eighty-seven thousand, four hundred sixty-one".