55776705250 has 32 divisors (see below), whose sum is σ = 119330280576. Its totient is φ = 19123441200.

The previous prime is 55776705241. The next prime is 55776705263. The reversal of 55776705250 is 5250767755.

It is a super-2 number, since 2×55776705250² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55776705194 and 55776705203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15934452 + ... + 15937951.

It is an arithmetic number, because the mean of its divisors is an integer number (3729071268).

Almost surely, 2^55776705250 is an apocalyptic number.

55776705250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55776705250 is an abundant number, since it is smaller than the sum of its proper divisors (63553575326).

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

55776705250 is a wasteful number, since it uses less digits than its factorization.

55776705250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31872427 (or 31872417 counting only the distinct ones).

The product of its (nonzero) digits is 2572500, while the sum is 49.

The spelling of 55776705250 in words is "fifty-five billion, seven hundred seventy-six million, seven hundred five thousand, two hundred fifty".