55081476 has 36 divisors (see below), whose sum is σ = 139530300. Its totient is φ = 18321408.

The previous prime is 55081457. The next prime is 55081483. The reversal of 55081476 is 67418055.

55081476 is a `hidden beast` number, since 5 + 508 + 147 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4955076 + 50126400 = 2226^2 + 7080^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55081476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19140 + ... + 21828.

Almost surely, 2^55081476 is an apocalyptic number.

It is an amenable number.

55081476 is an abundant number, since it is smaller than the sum of its proper divisors (84448824).

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

55081476 is a wasteful number, since it uses less digits than its factorization.

55081476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268 (or 3263 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 55081476 is about 7421.6895650519. The cubic root of 55081476 is about 380.4829409117.

The spelling of 55081476 in words is "fifty-five million, eighty-one thousand, four hundred seventy-six".