557501225550 has 48 divisors (see below), whose sum is σ = 1382907476352. Its totient is φ = 148634258400.

The previous prime is 557501225513. The next prime is 557501225551. The reversal of 557501225550 is 55522105755.

It is a happy number.

It is a super-3 number, since 3×557501225550³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557501225551) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 278145 + ... + 1091955.

It is an arithmetic number, because the mean of its divisors is an integer number (28810572424).

Almost surely, 2^557501225550 is an apocalyptic number.

557501225550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

557501225550 is an abundant number, since it is smaller than the sum of its proper divisors (825406250802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557501225550 is a wasteful number, since it uses less digits than its factorization.

557501225550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818393 (or 818388 counting only the distinct ones).

The product of its (nonzero) digits is 437500, while the sum is 42.

The spelling of 557501225550 in words is "five hundred fifty-seven billion, five hundred one million, two hundred twenty-five thousand, five hundred fifty".