55005472 has 24 divisors (see below), whose sum is σ = 114663276. Its totient is φ = 25884672.

The previous prime is 55005451. The next prime is 55005473. The reversal of 55005472 is 27450055.

It can be written as a sum of positive squares in 2 ways, for example, as 53056656 + 1948816 = 7284^2 + 1396^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55005472.

It is not an unprimeable number, because it can be changed into a prime (55005473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50013 + ... + 51100.

Almost surely, 2^55005472 is an apocalyptic number.

It is an amenable number.

55005472 is an abundant number, since it is smaller than the sum of its proper divisors (59657804).

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

55005472 is a wasteful number, since it uses less digits than its factorization.

55005472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101140 (or 101132 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 55005472 is about 7416.5674000848. The cubic root of 55005472 is about 380.3078576312.

The spelling of 55005472 in words is "fifty-five million, five thousand, four hundred seventy-two".