55021095 has 48 divisors (see below), whose sum is σ = 102503232. Its totient is φ = 27202560.

The previous prime is 55021073. The next prime is 55021097. The reversal of 55021095 is 59012055.

55021095 is a `hidden beast` number, since 550 + 2 + 109 + 5 = 666.

It is not a de Polignac number, because 55021095 - 2⁷ = 55020967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55021097) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53809 + ... + 54821.

It is an arithmetic number, because the mean of its divisors is an integer number (2135484).

Almost surely, 2^55021095 is an apocalyptic number.

55021095 is a deficient number, since it is larger than the sum of its proper divisors (47482137).

55021095 is a wasteful number, since it uses less digits than its factorization.

55021095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 55021095 is about 7417.6205753597. The cubic root of 55021095 is about 380.3438600325.

The spelling of 55021095 in words is "fifty-five million, twenty-one thousand, ninety-five".