55292553 has 6 divisors (see below), whose sum is σ = 79867034. Its totient is φ = 36861696.

The previous prime is 55292533. The next prime is 55292569. The reversal of 55292553 is 35529255.

55292553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28387584 + 26904969 = 5328^2 + 5187^2 .

It is not a de Polignac number, because 55292553 - 2⁵ = 55292521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55292513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3071800 + ... + 3071817.

Almost surely, 2^55292553 is an apocalyptic number.

It is an amenable number.

55292553 is a deficient number, since it is larger than the sum of its proper divisors (24574481).

55292553 is a wasteful number, since it uses less digits than its factorization.

55292553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143623 (or 6143620 counting only the distinct ones).

The product of its digits is 67500, while the sum is 36.

The square root of 55292553 is about 7435.8962472590. The cubic root of 55292553 is about 380.9683359719.

The spelling of 55292553 in words is "fifty-five million, two hundred ninety-two thousand, five hundred fifty-three".