55015759 has 2 divisors, whose sum is σ = 55015760. Its totient is φ = 55015758.

The previous prime is 55015729. The next prime is 55015771. The reversal of 55015759 is 95751055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55015759 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55015729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27507879 + 27507880.

It is an arithmetic number, because the mean of its divisors is an integer number (27507880).

Almost surely, 2^55015759 is an apocalyptic number.

55015759 is a deficient number, since it is larger than the sum of its proper divisors (1).

55015759 is an equidigital number, since it uses as much as digits as its factorization.

55015759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39375, while the sum is 37.

The square root of 55015759 is about 7417.2608825631. The cubic root of 55015759 is about 380.3315642609.

The spelling of 55015759 in words is "fifty-five million, fifteen thousand, seven hundred fifty-nine".