55502045 has 4 divisors (see below), whose sum is σ = 66602460. Its totient is φ = 44401632.

The previous prime is 55502039. The next prime is 55502047. The reversal of 55502045 is 54020555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33477796 + 22024249 = 5786^2 + 4693^2 .

It is a cyclic number.

It is not a de Polignac number, because 55502045 - 2⁶ = 55501981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55502047) 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, 5550200 + ... + 5550209.

It is an arithmetic number, because the mean of its divisors is an integer number (16650615).

Almost surely, 2^55502045 is an apocalyptic number.

It is an amenable number.

55502045 is a deficient number, since it is larger than the sum of its proper divisors (11100415).

55502045 is a wasteful number, since it uses less digits than its factorization.

55502045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100414.

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 55502045 is about 7449.9694630247. The cubic root of 55502045 is about 381.4488662402.

The spelling of 55502045 in words is "fifty-five million, five hundred two thousand, forty-five".