55505325 has 36 divisors (see below), whose sum is σ = 96000800. Its totient is φ = 28295520.

The previous prime is 55505299. The next prime is 55505353. The reversal of 55505325 is 52350555.

It is not a de Polignac number, because 55505325 - 2¹¹ = 55503277 is a prime.

It is a super-2 number, since 2×55505325² = 6161682206711250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55505292 and 55505301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38976 + ... + 40374.

Almost surely, 2^55505325 is an apocalyptic number.

It is an amenable number.

55505325 is a deficient number, since it is larger than the sum of its proper divisors (40495475).

55505325 is a wasteful number, since it uses less digits than its factorization.

55505325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 30.

The square root of 55505325 is about 7450.1895949029. The cubic root of 55505325 is about 381.4563802435.

The spelling of 55505325 in words is "fifty-five million, five hundred five thousand, three hundred twenty-five".