53112457 has 2 divisors, whose sum is σ = 53112458. Its totient is φ = 53112456.

The previous prime is 53112431. The next prime is 53112461. The reversal of 53112457 is 75421135.

It is a happy number.

53112457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48664576 + 4447881 = 6976^2 + 2109^2 .

It is a cyclic number.

It is not a de Polignac number, because 53112457 - 2⁷ = 53112329 is a prime.

It is equal to p_3176371 and since 53112457 and 3176371 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (53112407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26556228 + 26556229.

It is an arithmetic number, because the mean of its divisors is an integer number (26556229).

Almost surely, 2^53112457 is an apocalyptic number.

It is an amenable number.

53112457 is a deficient number, since it is larger than the sum of its proper divisors (1).

53112457 is an equidigital number, since it uses as much as digits as its factorization.

53112457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 53112457 is about 7287.8293750609. The cubic root of 53112457 is about 375.8940610891.

The spelling of 53112457 in words is "fifty-three million, one hundred twelve thousand, four hundred fifty-seven".