53900057 has 2 divisors, whose sum is σ = 53900058. Its totient is φ = 53900056.

The previous prime is 53900051. The next prime is 53900059. The reversal of 53900057 is 75000935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53640976 + 259081 = 7324^2 + 509^2 .

It is a cyclic number.

It is not a de Polignac number, because 53900057 - 2²⁰ = 52851481 is a prime.

It is a super-2 number, since 2×53900057² = 5810432289206498, which contains 22 as substring.

Together with 53900059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53900051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26950028 + 26950029.

It is an arithmetic number, because the mean of its divisors is an integer number (26950029).

Almost surely, 2^53900057 is an apocalyptic number.

It is an amenable number.

53900057 is a deficient number, since it is larger than the sum of its proper divisors (1).

53900057 is an equidigital number, since it uses as much as digits as its factorization.

53900057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 53900057 is about 7341.6658191449. The cubic root of 53900057 is about 377.7429852393.

The spelling of 53900057 in words is "fifty-three million, nine hundred thousand, fifty-seven".