55036842 has 64 divisors (see below), whose sum is σ = 133152768. Its totient is φ = 14832000.

The previous prime is 55036789. The next prime is 55036879. The reversal of 55036842 is 24863055.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52867 + ... + 53897.

It is an arithmetic number, because the mean of its divisors is an integer number (2080512).

Almost surely, 2^55036842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55036842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66576384).

55036842 is an abundant number, since it is smaller than the sum of its proper divisors (78115926).

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

55036842 is a wasteful number, since it uses less digits than its factorization.

55036842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 55036842 is about 7418.6819584074. The cubic root of 55036842 is about 380.3801412895.

Adding to 55036842 its reverse (24863055), we get a palindrome (79899897).

The spelling of 55036842 in words is "fifty-five million, thirty-six thousand, eight hundred forty-two".