557478951 has 8 divisors (see below), whose sum is σ = 750522240. Its totient is φ = 368044152.

The previous prime is 557478941. The next prime is 557478953. The reversal of 557478951 is 159874755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 557478951 - 2²² = 553284647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 557478894 and 557478903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557478953) 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, 901761 + ... + 902378.

It is an arithmetic number, because the mean of its divisors is an integer number (93815280).

Almost surely, 2^557478951 is an apocalyptic number.

557478951 is a deficient number, since it is larger than the sum of its proper divisors (193043289).

557478951 is a wasteful number, since it uses less digits than its factorization.

557478951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804245.

The product of its digits is 1764000, while the sum is 51.

The square root of 557478951 is about 23610.9921646677. The cubic root of 557478951 is about 823.0182989228.

The spelling of 557478951 in words is "five hundred fifty-seven million, four hundred seventy-eight thousand, nine hundred fifty-one".