55803525 has 24 divisors (see below), whose sum is σ = 92952384. Its totient is φ = 29539200.

The previous prime is 55803521. The next prime is 55803529. The reversal of 55803525 is 52530855.

It is an interprime number because it is at equal distance from previous prime (55803521) and next prime (55803529).

It is not a de Polignac number, because 55803525 - 2² = 55803521 is a prime.

It is a super-2 number, since 2×55803525² = 6228066804851250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55803521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7560 + ... + 12990.

It is an arithmetic number, because the mean of its divisors is an integer number (3873016).

Almost surely, 2^55803525 is an apocalyptic number.

It is an amenable number.

55803525 is a deficient number, since it is larger than the sum of its proper divisors (37148859).

55803525 is a wasteful number, since it uses less digits than its factorization.

55803525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581 (or 5576 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 55803525 is about 7470.1757007449. The cubic root of 55803525 is about 382.1382799364.

The spelling of 55803525 in words is "fifty-five million, eight hundred three thousand, five hundred twenty-five".