55723275 has 48 divisors (see below), whose sum is σ = 105707520. Its totient is φ = 28749600.

The previous prime is 55723271. The next prime is 55723277. The reversal of 55723275 is 57232755.

It is a happy number.

55723275 is a `hidden beast` number, since 557 + 2 + 32 + 75 = 666.

It is not a de Polignac number, because 55723275 - 2² = 55723271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55723271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19594 + ... + 22256.

It is an arithmetic number, because the mean of its divisors is an integer number (2202240).

Almost surely, 2^55723275 is an apocalyptic number.

55723275 is a deficient number, since it is larger than the sum of its proper divisors (49984245).

55723275 is a wasteful number, since it uses less digits than its factorization.

55723275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713 (or 2702 counting only the distinct ones).

The product of its digits is 73500, while the sum is 36.

The square root of 55723275 is about 7464.8024086375. The cubic root of 55723275 is about 381.9550100977.

It can be divided in two parts, 557 and 23275, that added together give a palindrome (23832).

The spelling of 55723275 in words is "fifty-five million, seven hundred twenty-three thousand, two hundred seventy-five".