53146057 has 2 divisors, whose sum is σ = 53146058. Its totient is φ = 53146056.

The previous prime is 53146019. The next prime is 53146073. The reversal of 53146057 is 75064135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53056656 + 89401 = 7284^2 + 299^2 .

It is a cyclic number.

It is not a de Polignac number, because 53146057 - 2⁷ = 53145929 is a prime.

It is a super-3 number, since 3×53146057³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (53146087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26573028 + 26573029.

It is an arithmetic number, because the mean of its divisors is an integer number (26573029).

Almost surely, 2^53146057 is an apocalyptic number.

It is an amenable number.

53146057 is a deficient number, since it is larger than the sum of its proper divisors (1).

53146057 is an equidigital number, since it uses as much as digits as its factorization.

53146057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 53146057 is about 7290.1342237300. The cubic root of 53146057 is about 375.9733104075.

The spelling of 53146057 in words is "fifty-three million, one hundred forty-six thousand, fifty-seven".