55724055 has 32 divisors (see below), whose sum is σ = 97943040. Its totient is φ = 26928000.

The previous prime is 55724033. The next prime is 55724077. The reversal of 55724055 is 55042755.

It is an interprime number because it is at equal distance from previous prime (55724033) and next prime (55724077).

It is not a de Polignac number, because 55724055 - 2⁸ = 55723799 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2305 + ... + 10805.

It is an arithmetic number, because the mean of its divisors is an integer number (3060720).

Almost surely, 2^55724055 is an apocalyptic number.

55724055 is a deficient number, since it is larger than the sum of its proper divisors (42218985).

55724055 is a wasteful number, since it uses less digits than its factorization.

55724055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8551.

The product of its (nonzero) digits is 35000, while the sum is 33.

The square root of 55724055 is about 7464.8546536420. The cubic root of 55724055 is about 381.9567922585.

The spelling of 55724055 in words is "fifty-five million, seven hundred twenty-four thousand, fifty-five".