53006625257 has 2 divisors, whose sum is σ = 53006625258. Its totient is φ = 53006625256.

The previous prime is 53006625179. The next prime is 53006625337. The reversal of 53006625257 is 75252660035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43145936656 + 9860688601 = 207716^2 + 99301^2 .

It is a cyclic number.

It is not a de Polignac number, because 53006625257 - 2³² = 48711657961 is a prime.

It is a super-2 number, since 2×53006625257² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53006625157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26503312628 + 26503312629.

It is an arithmetic number, because the mean of its divisors is an integer number (26503312629).

Almost surely, 2^53006625257 is an apocalyptic number.

It is an amenable number.

53006625257 is a deficient number, since it is larger than the sum of its proper divisors (1).

53006625257 is an equidigital number, since it uses as much as digits as its factorization.

53006625257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 53006625257 in words is "fifty-three billion, six million, six hundred twenty-five thousand, two hundred fifty-seven".