557955023 has 4 divisors (see below), whose sum is σ = 560787480. Its totient is φ = 555122568.

The previous prime is 557954989. The next prime is 557955053. The reversal of 557955023 is 320559755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 557955023 - 2¹⁶ = 557889487 is a prime.

It is a super-2 number, since 2×557955023² = 622627615381861058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557955053) 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, 1415933 + ... + 1416326.

It is an arithmetic number, because the mean of its divisors is an integer number (140196870).

Almost surely, 2^557955023 is an apocalyptic number.

557955023 is a deficient number, since it is larger than the sum of its proper divisors (2832457).

557955023 is a wasteful number, since it uses less digits than its factorization.

557955023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832456.

The product of its (nonzero) digits is 236250, while the sum is 41.

The square root of 557955023 is about 23621.0715887320. The cubic root of 557955023 is about 823.2525107475.

The spelling of 557955023 in words is "five hundred fifty-seven million, nine hundred fifty-five thousand, twenty-three".