55030525 has 24 divisors (see below), whose sum is σ = 75245184. Its totient is φ = 39590400.

The previous prime is 55030523. The next prime is 55030529. The reversal of 55030525 is 52503055.

It is not a de Polignac number, because 55030525 - 2¹ = 55030523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 55030525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55030523) 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 23 ways as a sum of consecutive naturals, for example, 25644 + ... + 27706.

It is an arithmetic number, because the mean of its divisors is an integer number (3135216).

Almost surely, 2^55030525 is an apocalyptic number.

55030525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55030525 is a deficient number, since it is larger than the sum of its proper divisors (20214659).

55030525 is a wasteful number, since it uses less digits than its factorization.

55030525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181 (or 2176 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 55030525 is about 7418.2561967082. The cubic root of 55030525 is about 380.3655876851.

It can be divided in two parts, 55030 and 525, that added together give a palindrome (55555).

The spelling of 55030525 in words is "fifty-five million, thirty thousand, five hundred twenty-five".