53258578 has 8 divisors (see below), whose sum is σ = 79922160. Its totient is φ = 26617860.

The previous prime is 53258563. The next prime is 53258581. The reversal of 53258578 is 87585235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×53258578² = 5672952261164168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2433 + ... + 10603.

It is an arithmetic number, because the mean of its divisors is an integer number (9990270).

Almost surely, 2^53258578 is an apocalyptic number.

53258578 is a deficient number, since it is larger than the sum of its proper divisors (26663582).

53258578 is a wasteful number, since it uses less digits than its factorization.

53258578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11432.

The product of its digits is 336000, while the sum is 43.

The square root of 53258578 is about 7297.8474908702. The cubic root of 53258578 is about 376.2384606638.

The spelling of 53258578 in words is "fifty-three million, two hundred fifty-eight thousand, five hundred seventy-eight".