55365340 has 12 divisors (see below), whose sum is σ = 116267256. Its totient is φ = 22146128.

The previous prime is 55365307. The next prime is 55365353. The reversal of 55365340 is 4356355.

It is a congruent number.

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, 1384114 + ... + 1384153.

It is an arithmetic number, because the mean of its divisors is an integer number (9688938).

Almost surely, 2^55365340 is an apocalyptic number.

It is an amenable number.

55365340 is an abundant number, since it is smaller than the sum of its proper divisors (60901916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55365340 is a wasteful number, since it uses less digits than its factorization.

55365340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768276 (or 2768274 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 55365340 is about 7440.7889366653. The cubic root of 55365340 is about 381.1354313097.

The spelling of 55365340 in words is "fifty-five million, three hundred sixty-five thousand, three hundred forty".