55100929 has 9 divisors (see below), whose sum is σ = 59770179. Its totient is φ = 50773320.

The previous prime is 55100923. The next prime is 55100933. The reversal of 55100929 is 92900155.

The square root of 55100929 is 7423.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8151025 + 46949904 = 2855^2 + 6852^2 .

It is not a de Polignac number, because 55100929 - 2⁵ = 55100897 is a prime.

It is a super-2 number, since 2×55100929² = 6072224753326082, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 55100929.

It is not an unprimeable number, because it can be changed into a prime (55100923) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 96214 + ... + 96784.

It is an arithmetic number, because the mean of its divisors is an integer number (6641131).

Almost surely, 2^55100929 is an apocalyptic number.

55100929 is the 7423-rd square number.

55100929 is the 3712-nd centered octagonal number.

It is an amenable number.

55100929 is a deficient number, since it is larger than the sum of its proper divisors (4669250).

55100929 is an frugal number, since it uses more digits than its factorization.

55100929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 31.

The cubic root of 55100929 is about 380.5277270724.

The spelling of 55100929 in words is "fifty-five million, one hundred thousand, nine hundred twenty-nine".