55724358 has 16 divisors (see below), whose sum is σ = 111810816. Its totient is φ = 18514440.

The previous prime is 55724353. The next prime is 55724363. The reversal of 55724358 is 85342755.

It is an interprime number because it is at equal distance from previous prime (55724353) and next prime (55724363).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55724353) 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 7 ways as a sum of consecutive naturals, for example, 13066 + ... + 16797.

It is an arithmetic number, because the mean of its divisors is an integer number (6988176).

Almost surely, 2^55724358 is an apocalyptic number.

55724358 is an abundant number, since it is smaller than the sum of its proper divisors (56086458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55724358 is a wasteful number, since it uses less digits than its factorization.

55724358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30179.

The product of its digits is 168000, while the sum is 39.

The square root of 55724358 is about 7464.8749487182. The cubic root of 55724358 is about 381.9574845550.

The spelling of 55724358 in words is "fifty-five million, seven hundred twenty-four thousand, three hundred fifty-eight".