5551032550 has 48 divisors (see below), whose sum is σ = 11823743232. Its totient is φ = 1899367200.

The previous prime is 5551032541. The next prime is 5551032551. The reversal of 5551032550 is 552301555.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551032551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160285 + ... + 191815.

It is an arithmetic number, because the mean of its divisors is an integer number (246327984).

Almost surely, 2^5551032550 is an apocalyptic number.

5551032550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5551032550 is an abundant number, since it is smaller than the sum of its proper divisors (6272710682).

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

5551032550 is a wasteful number, since it uses less digits than its factorization.

5551032550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32053 (or 32048 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 5551032550 is about 74505.2518283107. The cubic root of 5551032550 is about 1770.6168437476.

The spelling of 5551032550 in words is "five billion, five hundred fifty-one million, thirty-two thousand, five hundred fifty".