54518646 has 64 divisors (see below), whose sum is σ = 138571776. Its totient is φ = 13910400.

The previous prime is 54518627. The next prime is 54518683. The reversal of 54518646 is 64681545.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15316 + ... + 18536.

It is an arithmetic number, because the mean of its divisors is an integer number (2165184).

Almost surely, 2^54518646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54518646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69285888).

54518646 is an abundant number, since it is smaller than the sum of its proper divisors (84053130).

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

54518646 is a wasteful number, since it uses less digits than its factorization.

54518646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277.

The product of its digits is 115200, while the sum is 39.

The square root of 54518646 is about 7383.6742885910. The cubic root of 54518646 is about 379.1825595292.

It can be divided in two parts, 545 and 18646, that added together give a palindrome (19191).

The spelling of 54518646 in words is "fifty-four million, five hundred eighteen thousand, six hundred forty-six".