55420759 has 2 divisors, whose sum is σ = 55420760. Its totient is φ = 55420758.

The previous prime is 55420733. The next prime is 55420789. The reversal of 55420759 is 95702455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55420759 - 2¹⁷ = 55289687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55420789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27710379 + 27710380.

It is an arithmetic number, because the mean of its divisors is an integer number (27710380).

Almost surely, 2^55420759 is an apocalyptic number.

55420759 is a deficient number, since it is larger than the sum of its proper divisors (1).

55420759 is an equidigital number, since it uses as much as digits as its factorization.

55420759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 55420759 is about 7444.5120054977. The cubic root of 55420759 is about 381.2625571784.

The spelling of 55420759 in words is "fifty-five million, four hundred twenty thousand, seven hundred fifty-nine".