55365501 has 4 divisors (see below), whose sum is σ = 73820672. Its totient is φ = 36910332.

The previous prime is 55365469. The next prime is 55365503. The reversal of 55365501 is 10556355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55365501 - 2⁵ = 55365469 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 (55365503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9227581 + ... + 9227586.

It is an arithmetic number, because the mean of its divisors is an integer number (18455168).

Almost surely, 2^55365501 is an apocalyptic number.

It is an amenable number.

55365501 is a deficient number, since it is larger than the sum of its proper divisors (18455171).

55365501 is a wasteful number, since it uses less digits than its factorization.

55365501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18455170.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 55365501 is about 7440.7997554026. The cubic root of 55365501 is about 381.1358007510.

The spelling of 55365501 in words is "fifty-five million, three hundred sixty-five thousand, five hundred one".