55365525 has 60 divisors (see below), whose sum is σ = 108028800. Its totient is φ = 27954720.

The previous prime is 55365521. The next prime is 55365529. The reversal of 55365525 is 52556355.

It is an interprime number because it is at equal distance from previous prime (55365521) and next prime (55365529).

It is not a de Polignac number, because 55365525 - 2² = 55365521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55365525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55365521) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 37756 + ... + 39194.

It is an arithmetic number, because the mean of its divisors is an integer number (1800480).

Almost surely, 2^55365525 is an apocalyptic number.

It is an amenable number.

55365525 is a deficient number, since it is larger than the sum of its proper divisors (52663275).

55365525 is a wasteful number, since it uses less digits than its factorization.

55365525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 1466 counting only the distinct ones).

The product of its digits is 112500, while the sum is 36.

The square root of 55365525 is about 7440.8013681323. The cubic root of 55365525 is about 381.1358558230.

The spelling of 55365525 in words is "fifty-five million, three hundred sixty-five thousand, five hundred twenty-five".