474557557 has 4 divisors (see below), whose sum is σ = 474601356. Its totient is φ = 474513760.

The previous prime is 474557527. The next prime is 474557561. The reversal of 474557557 is 755755474.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 299947761 + 174609796 = 17319^2 + 13214^2 .

It is a cyclic number.

It is not a de Polignac number, because 474557557 - 2⁷ = 474557429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 474557557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474557527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7593 + ... + 31729.

It is an arithmetic number, because the mean of its divisors is an integer number (118650339).

Almost surely, 2^474557557 is an apocalyptic number.

It is an amenable number.

474557557 is a deficient number, since it is larger than the sum of its proper divisors (43799).

474557557 is a wasteful number, since it uses less digits than its factorization.

474557557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43798.

The product of its digits is 3430000, while the sum is 49.

The square root of 474557557 is about 21784.3420143919. The cubic root of 474557557 is about 780.0030445860.

The spelling of 474557557 in words is "four hundred seventy-four million, five hundred fifty-seven thousand, five hundred fifty-seven".