53400079 has 2 divisors, whose sum is σ = 53400080. Its totient is φ = 53400078.

The previous prime is 53400059. The next prime is 53400101. The reversal of 53400079 is 97000435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53400079 - 2¹⁵ = 53367311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53400059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26700039 + 26700040.

It is an arithmetic number, because the mean of its divisors is an integer number (26700040).

Almost surely, 2^53400079 is an apocalyptic number.

53400079 is a deficient number, since it is larger than the sum of its proper divisors (1).

53400079 is an equidigital number, since it uses as much as digits as its factorization.

53400079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 53400079 is about 7307.5357679590. The cubic root of 53400079 is about 376.5713712860.

The spelling of 53400079 in words is "fifty-three million, four hundred thousand, seventy-nine".