53400671 has 2 divisors, whose sum is σ = 53400672. Its totient is φ = 53400670.

The previous prime is 53400667. The next prime is 53400673. The reversal of 53400671 is 17600435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53400671 - 2² = 53400667 is a prime.

Together with 53400673, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53400671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53400673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26700335 + 26700336.

It is an arithmetic number, because the mean of its divisors is an integer number (26700336).

Almost surely, 2^53400671 is an apocalyptic number.

53400671 is a deficient number, since it is larger than the sum of its proper divisors (1).

53400671 is an equidigital number, since it uses as much as digits as its factorization.

53400671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 53400671 is about 7307.5762739776. The cubic root of 53400671 is about 376.5727628534.

The spelling of 53400671 in words is "fifty-three million, four hundred thousand, six hundred seventy-one".