55030727 has 2 divisors, whose sum is σ = 55030728. Its totient is φ = 55030726.

The previous prime is 55030711. The next prime is 55030739. The reversal of 55030727 is 72703055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55030727 - 2⁴ = 55030711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55030727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55030757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27515363 + 27515364.

It is an arithmetic number, because the mean of its divisors is an integer number (27515364).

Almost surely, 2^55030727 is an apocalyptic number.

55030727 is a deficient number, since it is larger than the sum of its proper divisors (1).

55030727 is an equidigital number, since it uses as much as digits as its factorization.

55030727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 55030727 is about 7418.2698117553. The cubic root of 55030727 is about 380.3660530859.

The spelling of 55030727 in words is "fifty-five million, thirty thousand, seven hundred twenty-seven".