55224525 has 24 divisors (see below), whose sum is σ = 92257984. Its totient is φ = 29145600.

The previous prime is 55224511. The next prime is 55224529. The reversal of 55224525 is 52542255.

55224525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55224525 - 2⁵ = 55224493 is a prime.

It is a super-2 number, since 2×55224525² = 6099496322951250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55224492 and 55224501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55224529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3480 + ... + 11070.

Almost surely, 2^55224525 is an apocalyptic number.

It is an amenable number.

55224525 is a deficient number, since it is larger than the sum of its proper divisors (37033459).

55224525 is a wasteful number, since it uses less digits than its factorization.

55224525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7701 (or 7696 counting only the distinct ones).

The product of its digits is 20000, while the sum is 30.

The square root of 55224525 is about 7431.3205421379. The cubic root of 55224525 is about 380.8120331280.

The spelling of 55224525 in words is "fifty-five million, two hundred twenty-four thousand, five hundred twenty-five".