53090887 has 2 divisors, whose sum is σ = 53090888. Its totient is φ = 53090886.

The previous prime is 53090861. The next prime is 53090899. The reversal of 53090887 is 78809035.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53090887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53090087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26545443 + 26545444.

It is an arithmetic number, because the mean of its divisors is an integer number (26545444).

Almost surely, 2^53090887 is an apocalyptic number.

53090887 is a deficient number, since it is larger than the sum of its proper divisors (1).

53090887 is an equidigital number, since it uses as much as digits as its factorization.

53090887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 53090887 is about 7286.3493602764. The cubic root of 53090887 is about 375.8431682401.

The spelling of 53090887 in words is "fifty-three million, ninety thousand, eight hundred eighty-seven".