55011054 has 32 divisors (see below), whose sum is σ = 126925056. Its totient is φ = 15569280.

The previous prime is 55011041. The next prime is 55011071. The reversal of 55011054 is 45011055.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 55011054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1627 + ... + 10614.

It is an arithmetic number, because the mean of its divisors is an integer number (3966408).

Almost surely, 2^55011054 is an apocalyptic number.

55011054 is an abundant number, since it is smaller than the sum of its proper divisors (71914002).

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

55011054 is a wasteful number, since it uses less digits than its factorization.

55011054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12360.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 55011054 is about 7416.9437101814. The cubic root of 55011054 is about 380.3207218462.

Subtracting from 55011054 its reverse (45011055), we obtain a palindrome (9999999).

It can be divided in two parts, 5501 and 1054, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 55011054 in words is "fifty-five million, eleven thousand, fifty-four".