53455879 has 2 divisors, whose sum is σ = 53455880. Its totient is φ = 53455878.

The previous prime is 53455819. The next prime is 53455931. The reversal of 53455879 is 97855435.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53455879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53455819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26727939 + 26727940.

It is an arithmetic number, because the mean of its divisors is an integer number (26727940).

Almost surely, 2^53455879 is an apocalyptic number.

53455879 is a deficient number, since it is larger than the sum of its proper divisors (1).

53455879 is an equidigital number, since it uses as much as digits as its factorization.

53455879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 46.

The square root of 53455879 is about 7311.3527476111. The cubic root of 53455879 is about 376.7024907409.

The spelling of 53455879 in words is "fifty-three million, four hundred fifty-five thousand, eight hundred seventy-nine".