5507297550 has 36 divisors (see below), whose sum is σ = 14796273960. Its totient is φ = 1468612560.

The previous prime is 5507297531. The next prime is 5507297563. The reversal of 5507297550 is 557927055.

5507297550 is a `hidden beast` number, since 5 + 5 + 0 + 7 + 2 + 97 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 5507297496 and 5507297505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6118770 + ... + 6119669.

It is an arithmetic number, because the mean of its divisors is an integer number (411007610).

Almost surely, 2^5507297550 is an apocalyptic number.

5507297550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5507297550 is an abundant number, since it is smaller than the sum of its proper divisors (9288976410).

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

5507297550 is a wasteful number, since it uses less digits than its factorization.

5507297550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12238457 (or 12238449 counting only the distinct ones).

The product of its (nonzero) digits is 551250, while the sum is 45.

The square root of 5507297550 is about 74211.1686338384. The cubic root of 5507297550 is about 1765.9545163777.

The spelling of 5507297550 in words is "five billion, five hundred seven million, two hundred ninety-seven thousand, five hundred fifty".