54463668 has 24 divisors (see below), whose sum is σ = 145236672. Its totient is φ = 15561024.

The previous prime is 54463663. The next prime is 54463681. The reversal of 54463668 is 86636445.

It is a super-2 number, since 2×54463668² = 5932582264028448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54463663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324105 + ... + 324272.

It is an arithmetic number, because the mean of its divisors is an integer number (6051528).

Almost surely, 2^54463668 is an apocalyptic number.

It is an amenable number.

54463668 is an abundant number, since it is smaller than the sum of its proper divisors (90773004).

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

54463668 is a wasteful number, since it uses less digits than its factorization.

54463668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648391 (or 648389 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 54463668 is about 7379.9504063374. The cubic root of 54463668 is about 379.0550575235.

The spelling of 54463668 in words is "fifty-four million, four hundred sixty-three thousand, six hundred sixty-eight".