53734257 has 12 divisors (see below), whose sum is σ = 77681604. Its totient is φ = 35792640.

The previous prime is 53734243. The next prime is 53734321. The reversal of 53734257 is 75243735.

It can be written as a sum of positive squares in 2 ways, for example, as 17842176 + 35892081 = 4224^2 + 5991^2 .

It is not a de Polignac number, because 53734257 - 2⁶ = 53734193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53734237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15657 + ... + 18777.

It is an arithmetic number, because the mean of its divisors is an integer number (6473467).

Almost surely, 2^53734257 is an apocalyptic number.

It is an amenable number.

53734257 is a deficient number, since it is larger than the sum of its proper divisors (23947347).

53734257 is a wasteful number, since it uses less digits than its factorization.

53734257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040 (or 5037 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 53734257 is about 7330.3654069903. The cubic root of 53734257 is about 377.3552669440.

The spelling of 53734257 in words is "fifty-three million, seven hundred thirty-four thousand, two hundred fifty-seven".