55027785250 has 32 divisors (see below), whose sum is σ = 103026409200. Its totient is φ = 22008038400.

The previous prime is 55027785229. The next prime is 55027785271. The reversal of 55027785250 is 5258772055.

It is an interprime number because it is at equal distance from previous prime (55027785229) and next prime (55027785271).

It can be written as a sum of positive squares in 8 ways, for example, as 3433842801 + 51593942449 = 58599^2 + 227143^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55027785250.

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, 2822536 + ... + 2841964.

Almost surely, 2^55027785250 is an apocalyptic number.

55027785250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55027785250 is a deficient number, since it is larger than the sum of its proper divisors (47998623950).

55027785250 is a wasteful number, since it uses less digits than its factorization.

55027785250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30775 (or 30765 counting only the distinct ones).

The product of its (nonzero) digits is 980000, while the sum is 46.

The spelling of 55027785250 in words is "fifty-five billion, twenty-seven million, seven hundred eighty-five thousand, two hundred fifty".