53656091 has 2 divisors, whose sum is σ = 53656092. Its totient is φ = 53656090.

The previous prime is 53656081. The next prime is 53656111. The reversal of 53656091 is 19065635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53656091 - 2²² = 49461787 is a prime.

It is a super-2 number, since 2×53656091² = 5757952202800562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53656051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26828045 + 26828046.

It is an arithmetic number, because the mean of its divisors is an integer number (26828046).

Almost surely, 2^53656091 is an apocalyptic number.

53656091 is a deficient number, since it is larger than the sum of its proper divisors (1).

53656091 is an equidigital number, since it uses as much as digits as its factorization.

53656091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 53656091 is about 7325.0318088047. The cubic root of 53656091 is about 377.1722014437.

The spelling of 53656091 in words is "fifty-three million, six hundred fifty-six thousand, ninety-one".