55255100 has 36 divisors (see below), whose sum is σ = 126960624. Its totient is φ = 20801280.

The previous prime is 55255091. The next prime is 55255133. The reversal of 55255100 is 155255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14552 + ... + 17951.

It is an arithmetic number, because the mean of its divisors is an integer number (3526684).

Almost surely, 2^55255100 is an apocalyptic number.

55255100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55255100 is an abundant number, since it is smaller than the sum of its proper divisors (71705524).

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

55255100 is a wasteful number, since it uses less digits than its factorization.

55255100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32534 (or 32527 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 55255100 is about 7433.3774288677. The cubic root of 55255100 is about 380.8822988889.

It can be divided in two parts, 55255 and 100, that added together give a palindrome (55355).

The spelling of 55255100 in words is "fifty-five million, two hundred fifty-five thousand, one hundred".