55545562 has 8 divisors (see below), whose sum is σ = 88219476. Its totient is φ = 26139072.

The previous prime is 55545559. The next prime is 55545571. The reversal of 55545562 is 26554555.

It can be written as a sum of positive squares in 2 ways, for example, as 51969681 + 3575881 = 7209^2 + 1891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816813 + ... + 816880.

Almost surely, 2^55545562 is an apocalyptic number.

55545562 is a deficient number, since it is larger than the sum of its proper divisors (32673914).

55545562 is a wasteful number, since it uses less digits than its factorization.

55545562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633712.

The product of its digits is 150000, while the sum is 37.

The square root of 55545562 is about 7452.8895067618. The cubic root of 55545562 is about 381.5485332817.

The spelling of 55545562 in words is "fifty-five million, five hundred forty-five thousand, five hundred sixty-two".