55100950 has 48 divisors (see below), whose sum is σ = 111421440. Its totient is φ = 20196000.

The previous prime is 55100933. The next prime is 55100953. The reversal of 55100950 is 5900155.

It is a super-3 number, since 3×55100950³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55100953) 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 23 ways as a sum of consecutive naturals, for example, 28515 + ... + 30385.

It is an arithmetic number, because the mean of its divisors is an integer number (2321280).

Almost surely, 2^55100950 is an apocalyptic number.

55100950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55100950 is an abundant number, since it is smaller than the sum of its proper divisors (56320490).

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

55100950 is a wasteful number, since it uses less digits than its factorization.

55100950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 55100950 is about 7423.0014145223. The cubic root of 55100950 is about 380.5277754144.

The spelling of 55100950 in words is "fifty-five million, one hundred thousand, nine hundred fifty".