55304525 has 6 divisors (see below), whose sum is σ = 68577642. Its totient is φ = 44243600.

The previous prime is 55304521. The next prime is 55304533. The reversal of 55304525 is 52540355.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7043716 + 48260809 = 2654^2 + 6947^2 .

It is not a de Polignac number, because 55304525 - 2² = 55304521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55304521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1106066 + ... + 1106115.

It is an arithmetic number, because the mean of its divisors is an integer number (11429607).

Almost surely, 2^55304525 is an apocalyptic number.

It is an amenable number.

55304525 is a deficient number, since it is larger than the sum of its proper divisors (13273117).

55304525 is a wasteful number, since it uses less digits than its factorization.

55304525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212191 (or 2212186 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 55304525 is about 7436.7012176099. The cubic root of 55304525 is about 380.9958298719.

The spelling of 55304525 in words is "fifty-five million, three hundred four thousand, five hundred twenty-five".