53140957 has 2 divisors, whose sum is σ = 53140958. Its totient is φ = 53140956.

The previous prime is 53140939. The next prime is 53140979. The reversal of 53140957 is 75904135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50893956 + 2247001 = 7134^2 + 1499^2 .

It is a cyclic number.

It is not a de Polignac number, because 53140957 - 2¹¹ = 53138909 is a prime.

It is a super-2 number, since 2×53140957² = 5647922621751698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53140907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26570478 + 26570479.

It is an arithmetic number, because the mean of its divisors is an integer number (26570479).

Almost surely, 2^53140957 is an apocalyptic number.

It is an amenable number.

53140957 is a deficient number, since it is larger than the sum of its proper divisors (1).

53140957 is an equidigital number, since it uses as much as digits as its factorization.

53140957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 53140957 is about 7289.7844275397. The cubic root of 53140957 is about 375.9612836437.

The spelling of 53140957 in words is "fifty-three million, one hundred forty thousand, nine hundred fifty-seven".