53204457 has 4 divisors (see below), whose sum is σ = 70939280. Its totient is φ = 35469636.

The previous prime is 53204453. The next prime is 53204461. The reversal of 53204457 is 75440235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (53204453) and next prime (53204461).

It is not a de Polignac number, because 53204457 - 2² = 53204453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53204453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8867407 + ... + 8867412.

It is an arithmetic number, because the mean of its divisors is an integer number (17734820).

Almost surely, 2^53204457 is an apocalyptic number.

It is an amenable number.

53204457 is a deficient number, since it is larger than the sum of its proper divisors (17734823).

53204457 is a wasteful number, since it uses less digits than its factorization.

53204457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17734822.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 53204457 is about 7294.1385372092. The cubic root of 53204457 is about 376.1109738265.

The spelling of 53204457 in words is "fifty-three million, two hundred four thousand, four hundred fifty-seven".