55432245 has 16 divisors (see below), whose sum is σ = 96754752. Its totient is φ = 26876160.

The previous prime is 55432229. The next prime is 55432283. The reversal of 55432245 is 54223455.

It is not a de Polignac number, because 55432245 - 2⁴ = 55432229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167812 + ... + 168141.

It is an arithmetic number, because the mean of its divisors is an integer number (6047172).

Almost surely, 2^55432245 is an apocalyptic number.

55432245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55432245 is a deficient number, since it is larger than the sum of its proper divisors (41322507).

55432245 is a wasteful number, since it uses less digits than its factorization.

55432245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335972.

The product of its digits is 24000, while the sum is 30.

The square root of 55432245 is about 7445.2834062915. The cubic root of 55432245 is about 381.2888943568.

The spelling of 55432245 in words is "fifty-five million, four hundred thirty-two thousand, two hundred forty-five".