557256359054 has 4 divisors (see below), whose sum is σ = 835884538584. Its totient is φ = 278628179526.

The previous prime is 557256359029. The next prime is 557256359081. The reversal of 557256359054 is 450953652755.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450953652755 = 5 ⋅90190730551.

It is a super-2 number, since 2×557256359054² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139314089762 + ... + 139314089765.

It is an arithmetic number, because the mean of its divisors is an integer number (208971134646).

Almost surely, 2^557256359054 is an apocalyptic number.

557256359054 is a deficient number, since it is larger than the sum of its proper divisors (278628179530).

557256359054 is a wasteful number, since it uses less digits than its factorization.

557256359054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278628179529.

The product of its (nonzero) digits is 28350000, while the sum is 56.

The spelling of 557256359054 in words is "five hundred fifty-seven billion, two hundred fifty-six million, three hundred fifty-nine thousand, fifty-four".