55724027 has 2 divisors, whose sum is σ = 55724028. Its totient is φ = 55724026.

The previous prime is 55723973. The next prime is 55724033. The reversal of 55724027 is 72042755.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55724027 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55723984 and 55724002.

It is not a weakly prime, because it can be changed into another prime (55724077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27862013 + 27862014.

It is an arithmetic number, because the mean of its divisors is an integer number (27862014).

Almost surely, 2^55724027 is an apocalyptic number.

55724027 is a deficient number, since it is larger than the sum of its proper divisors (1).

55724027 is an equidigital number, since it uses as much as digits as its factorization.

55724027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 55724027 is about 7464.8527781866. The cubic root of 55724027 is about 381.9567282838.

The spelling of 55724027 in words is "fifty-five million, seven hundred twenty-four thousand, twenty-seven".