55724205 has 32 divisors (see below), whose sum is σ = 92574720. Its totient is φ = 28592640.

The previous prime is 55724197. The next prime is 55724213. The reversal of 55724205 is 50242755.

It is an interprime number because it is at equal distance from previous prime (55724197) and next prime (55724213).

It is not a de Polignac number, because 55724205 - 2³ = 55724197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136041 + ... + 136449.

It is an arithmetic number, because the mean of its divisors is an integer number (2892960).

Almost surely, 2^55724205 is an apocalyptic number.

It is an amenable number.

55724205 is a deficient number, since it is larger than the sum of its proper divisors (36850515).

55724205 is a wasteful number, since it uses less digits than its factorization.

55724205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 55724205 is about 7464.8647007163. The cubic root of 55724205 is about 381.9571349799.

The spelling of 55724205 in words is "fifty-five million, seven hundred twenty-four thousand, two hundred five".