55432253 has 16 divisors (see below), whose sum is σ = 62016000. Its totient is φ = 49315392.

The previous prime is 55432229. The next prime is 55432283. The reversal of 55432253 is 35223455.

It is a cyclic number.

It is not a de Polignac number, because 55432253 - 2⁸ = 55431997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55432213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19028 + ... + 21746.

It is an arithmetic number, because the mean of its divisors is an integer number (3876000).

Almost surely, 2^55432253 is an apocalyptic number.

It is an amenable number.

55432253 is a deficient number, since it is larger than the sum of its proper divisors (6583747).

55432253 is a wasteful number, since it uses less digits than its factorization.

55432253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804.

The product of its digits is 18000, while the sum is 29.

The square root of 55432253 is about 7445.2839435444. The cubic root of 55432253 is about 381.2889126993.

The spelling of 55432253 in words is "fifty-five million, four hundred thirty-two thousand, two hundred fifty-three".