53658468 has 72 divisors (see below), whose sum is σ = 141960000. Its totient is φ = 17067456.

The previous prime is 53658457. The next prime is 53658499. The reversal of 53658468 is 86485635.

53658468 is a `hidden beast` number, since 5 + 3 + 6 + 584 + 68 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107283 + ... + 107781.

Almost surely, 2^53658468 is an apocalyptic number.

53658468 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53658468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70980000).

53658468 is an abundant number, since it is smaller than the sum of its proper divisors (88301532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53658468 is a wasteful number, since it uses less digits than its factorization.

53658468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 636 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 53658468 is about 7325.1940588629. The cubic root of 53658468 is about 377.1777710200.

The spelling of 53658468 in words is "fifty-three million, six hundred fifty-eight thousand, four hundred sixty-eight".