55503325 has 12 divisors (see below), whose sum is σ = 70426048. Its totient is φ = 43369200.

The previous prime is 55503323. The next prime is 55503341. The reversal of 55503325 is 52330555.

It is not a de Polignac number, because 55503325 - 2¹ = 55503323 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55503293 and 55503302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55503323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24741 + ... + 26890.

Almost surely, 2^55503325 is an apocalyptic number.

It is an amenable number.

55503325 is a deficient number, since it is larger than the sum of its proper divisors (14922723).

55503325 is a wasteful number, since it uses less digits than its factorization.

55503325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51684 (or 51679 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 55503325 is about 7450.0553689218. The cubic root of 55503325 is about 381.4517985694.

The spelling of 55503325 in words is "fifty-five million, five hundred three thousand, three hundred twenty-five".