55042910 has 64 divisors (see below), whose sum is σ = 114307200. Its totient is φ = 18923520.

The previous prime is 55042909. The next prime is 55042919. The reversal of 55042910 is 1924055.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55042910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55042919) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122366 + ... + 122814.

It is an arithmetic number, because the mean of its divisors is an integer number (1786050).

Almost surely, 2^55042910 is an apocalyptic number.

55042910 is an abundant number, since it is smaller than the sum of its proper divisors (59264290).

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

55042910 is a wasteful number, since it uses less digits than its factorization.

55042910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 55042910 is about 7419.0909146606. The cubic root of 55042910 is about 380.3941201795.

Adding to 55042910 its reverse (1924055), we get a palindrome (56966965).

The spelling of 55042910 in words is "fifty-five million, forty-two thousand, nine hundred ten".