55813182 has 8 divisors (see below), whose sum is σ = 111626376. Its totient is φ = 18604392.

The previous prime is 55813181. The next prime is 55813201. The reversal of 55813182 is 28131855.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

55813182 is an admirable number.

It is a super-2 number, since 2×55813182² = 6230222569930248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55813181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4651093 + ... + 4651104.

It is an arithmetic number, because the mean of its divisors is an integer number (13953297).

Almost surely, 2^55813182 is an apocalyptic number.

55813182 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55813182 is a wasteful number, since it uses less digits than its factorization.

55813182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9302202.

The product of its digits is 9600, while the sum is 33.

The square root of 55813182 is about 7470.8220431222. The cubic root of 55813182 is about 382.1603221312.

The spelling of 55813182 in words is "fifty-five million, eight hundred thirteen thousand, one hundred eighty-two".