553155550 has 48 divisors (see below), whose sum is σ = 1112361840. Its totient is φ = 203938560.

The previous prime is 553155527. The next prime is 553155593. The reversal of 553155550 is 55551355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27282 + ... + 43018.

It is an arithmetic number, because the mean of its divisors is an integer number (23174205).

Almost surely, 2^553155550 is an apocalyptic number.

553155550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

553155550 is an abundant number, since it is smaller than the sum of its proper divisors (559206290).

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

553155550 is a wasteful number, since it uses less digits than its factorization.

553155550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15805 (or 15800 counting only the distinct ones).

The product of its (nonzero) digits is 46875, while the sum is 34.

The square root of 553155550 is about 23519.2591294879. The cubic root of 553155550 is about 820.8851981509.

The spelling of 553155550 in words is "five hundred fifty-three million, one hundred fifty-five thousand, five hundred fifty".