55100328 has 32 divisors (see below), whose sum is σ = 138067200. Its totient is φ = 18324608.

The previous prime is 55100321. The next prime is 55100369. The reversal of 55100328 is 82300155.

It is a super-2 number, since 2×55100328² = 6072092291415168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 55100298 and 55100307.

It is not an unprimeable number, because it can be changed into a prime (55100321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9100 + ... + 13892.

It is an arithmetic number, because the mean of its divisors is an integer number (4314600).

Almost surely, 2^55100328 is an apocalyptic number.

It is an amenable number.

55100328 is an abundant number, since it is smaller than the sum of its proper divisors (82966872).

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

55100328 is a wasteful number, since it uses less digits than its factorization.

55100328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281 (or 5277 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 55100328 is about 7422.9595176048. The cubic root of 55100328 is about 380.5263435627.

The spelling of 55100328 in words is "fifty-five million, one hundred thousand, three hundred twenty-eight".