55005232250 has 32 divisors (see below), whose sum is σ = 104031384912. Its totient is φ = 21775257600.

The previous prime is 55005232207. The next prime is 55005232253. The reversal of 55005232250 is 5223250055.

It can be written as a sum of positive squares in 8 ways, for example, as 12391474489 + 42613757761 = 111317^2 + 206431^2 .

It is not an unprimeable number, because it can be changed into a prime (55005232253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1109879 + ... + 1158378.

Almost surely, 2^55005232250 is an apocalyptic number.

55005232250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55005232250 is a deficient number, since it is larger than the sum of its proper divisors (49026152662).

55005232250 is a wasteful number, since it uses less digits than its factorization.

55005232250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268371 (or 2268361 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The spelling of 55005232250 in words is "fifty-five billion, five million, two hundred thirty-two thousand, two hundred fifty".