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55216150 = 25211100393
BaseRepresentation
bin1101001010100…
…0100000010110
310211220021022121
43102220200112
5103113404100
65251250154
71240221013
oct322504026
9124807277
1055216150
1129193790
12165a995a
13b5936a2
14749470a
154caa51a
hex34a8816

55216150 has 24 divisors (see below), whose sum is σ = 112039704. Its totient is φ = 20078400.

The previous prime is 55216141. The next prime is 55216151. The reversal of 55216150 is 5161255.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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 (55216151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49647 + ... + 50746.

It is an arithmetic number, because the mean of its divisors is an integer number (4668321).

Almost surely, 255216150 is an apocalyptic number.

55216150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55216150 is an abundant number, since it is smaller than the sum of its proper divisors (56823554).

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

55216150 is a wasteful number, since it uses less digits than its factorization.

55216150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100416 (or 100411 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 55216150 is about 7430.7570273829. The cubic root of 55216150 is about 380.7927816450.

The spelling of 55216150 in words is "fifty-five million, two hundred sixteen thousand, one hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 100393 200786 501965 1003930 1104323 2208646 2509825 5019650 5521615 11043230 27608075 55216150