55803265 has 16 divisors (see below), whose sum is σ = 81032832. Its totient is φ = 36013824.

The previous prime is 55803257. The next prime is 55803269. The reversal of 55803265 is 56230855.

It is a happy number.

It is not a de Polignac number, because 55803265 - 2³ = 55803257 is a prime.

It is a super-2 number, since 2×55803265² = 6228008769320450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55803265.

It is not an unprimeable number, because it can be changed into a prime (55803269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46299 + ... + 47488.

It is an arithmetic number, because the mean of its divisors is an integer number (5064552).

Almost surely, 2^55803265 is an apocalyptic number.

It is an amenable number.

55803265 is a deficient number, since it is larger than the sum of its proper divisors (25229567).

55803265 is a wasteful number, since it uses less digits than its factorization.

55803265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93816.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 55803265 is about 7470.1582981889. The cubic root of 55803265 is about 382.1376864487.

The spelling of 55803265 in words is "fifty-five million, eight hundred three thousand, two hundred sixty-five".