54644634 has 48 divisors (see below), whose sum is σ = 132668640. Its totient is φ = 16109280.

The previous prime is 54644633. The next prime is 54644641. The reversal of 54644634 is 43644645.

54644634 is a `hidden beast` number, since 5 + 4 + 644 + 6 + 3 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (54644633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3597 + ... + 11055.

It is an arithmetic number, because the mean of its divisors is an integer number (2763930).

Almost surely, 2^54644634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54644634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66334320).

54644634 is an abundant number, since it is smaller than the sum of its proper divisors (78024006).

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

54644634 is a wasteful number, since it uses less digits than its factorization.

54644634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7515 (or 7512 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 54644634 is about 7392.2008901274. The cubic root of 54644634 is about 379.4744211436.

It can be divided in two parts, 54644 and 634, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 54644634 in words is "fifty-four million, six hundred forty-four thousand, six hundred thirty-four".