55849365 has 96 divisors (see below), whose sum is σ = 117976320. Its totient is φ = 24900480.

The previous prime is 55849363. The next prime is 55849427. The reversal of 55849365 is 56394855.

55849365 is a `hidden beast` number, since 5 + 584 + 9 + 3 + 65 = 666.

It is not a de Polignac number, because 55849365 - 2¹ = 55849363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55849365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55849363) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 212224 + ... + 212486.

It is an arithmetic number, because the mean of its divisors is an integer number (1228920).

Almost surely, 2^55849365 is an apocalyptic number.

55849365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55849365 is an abundant number, since it is smaller than the sum of its proper divisors (62126955).

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

55849365 is a wasteful number, since it uses less digits than its factorization.

55849365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 295 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 55849365 is about 7473.2432718332. The cubic root of 55849365 is about 382.2428875719.

Subtracting 55849365 from its reverse (56394855), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 55849365 in words is "fifty-five million, eight hundred forty-nine thousand, three hundred sixty-five".