53011657 has 2 divisors, whose sum is σ = 53011658. Its totient is φ = 53011656.

The previous prime is 53011649. The next prime is 53011669. The reversal of 53011657 is 75611035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39388176 + 13623481 = 6276^2 + 3691^2 .

It is a cyclic number.

It is not a de Polignac number, because 53011657 - 2³ = 53011649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53011687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26505828 + 26505829.

It is an arithmetic number, because the mean of its divisors is an integer number (26505829).

Almost surely, 2^53011657 is an apocalyptic number.

It is an amenable number.

53011657 is a deficient number, since it is larger than the sum of its proper divisors (1).

53011657 is an equidigital number, since it uses as much as digits as its factorization.

53011657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 53011657 is about 7280.9104513103. The cubic root of 53011657 is about 375.6561124115.

The spelling of 53011657 in words is "fifty-three million, eleven thousand, six hundred fifty-seven".