55358365 has 4 divisors (see below), whose sum is σ = 66430044. Its totient is φ = 44286688.

The previous prime is 55358363. The next prime is 55358371. The reversal of 55358365 is 56385355.

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 39012516 + 16345849 = 6246^2 + 4043^2 .

It is a cyclic number.

It is not a de Polignac number, because 55358365 - 2¹ = 55358363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55358363) 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, 5535832 + ... + 5535841.

It is an arithmetic number, because the mean of its divisors is an integer number (16607511).

Almost surely, 2^55358365 is an apocalyptic number.

It is an amenable number.

55358365 is a deficient number, since it is larger than the sum of its proper divisors (11071679).

55358365 is a wasteful number, since it uses less digits than its factorization.

55358365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11071678.

The product of its digits is 270000, while the sum is 40.

The square root of 55358365 is about 7440.3202216034. The cubic root of 55358365 is about 381.1194253194.

The spelling of 55358365 in words is "fifty-five million, three hundred fifty-eight thousand, three hundred sixty-five".