55610044 has 24 divisors (see below), whose sum is σ = 116057088. Its totient is φ = 22796400.

The previous prime is 55610041. The next prime is 55610047. The reversal of 55610044 is 44001655.

It is an interprime number because it is at equal distance from previous prime (55610041) and next prime (55610047).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55610041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42532 + ... + 43819.

It is an arithmetic number, because the mean of its divisors is an integer number (4835712).

Almost surely, 2^55610044 is an apocalyptic number.

It is an amenable number.

55610044 is an abundant number, since it is smaller than the sum of its proper divisors (60447044).

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

55610044 is a wasteful number, since it uses less digits than its factorization.

55610044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86385 (or 86383 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 55610044 is about 7457.2142251648. The cubic root of 55610044 is about 381.6961208197.

Adding to 55610044 its reverse (44001655), we get a palindrome (99611699).

The spelling of 55610044 in words is "fifty-five million, six hundred ten thousand, forty-four".