55026642 has 16 divisors (see below), whose sum is σ = 120058272. Its totient is φ = 16674720.

The previous prime is 55026623. The next prime is 55026661. The reversal of 55026642 is 24662055.

It is an interprime number because it is at equal distance from previous prime (55026623) and next prime (55026661).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416803 + ... + 416934.

It is an arithmetic number, because the mean of its divisors is an integer number (7503642).

Almost surely, 2^55026642 is an apocalyptic number.

55026642 is an abundant number, since it is smaller than the sum of its proper divisors (65031630).

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

55026642 is a wasteful number, since it uses less digits than its factorization.

55026642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833753.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 55026642 is about 7417.9944729017. The cubic root of 55026642 is about 380.3566411697.

Adding to 55026642 its reverse (24662055), we get a palindrome (79688697).

The spelling of 55026642 in words is "fifty-five million, twenty-six thousand, six hundred forty-two".