55552805250 has 64 divisors (see below), whose sum is σ = 138694712832. Its totient is φ = 14810352000.

The previous prime is 55552805237. The next prime is 55552805251. The reversal of 55552805250 is 5250825555.

It is a super-2 number, since 2×55552805250² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55552805251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4296295 + ... + 4309205.

It is an arithmetic number, because the mean of its divisors is an integer number (2167104888).

Almost surely, 2^55552805250 is an apocalyptic number.

55552805250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55552805250 is an abundant number, since it is smaller than the sum of its proper divisors (83141907582).

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

55552805250 is a wasteful number, since it uses less digits than its factorization.

55552805250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18668 (or 18658 counting only the distinct ones).

The product of its (nonzero) digits is 500000, while the sum is 42.

The spelling of 55552805250 in words is "fifty-five billion, five hundred fifty-two million, eight hundred five thousand, two hundred fifty".