54609829 has 4 divisors (see below), whose sum is σ = 54631276. Its totient is φ = 54588384.

The previous prime is 54609809. The next prime is 54609833. The reversal of 54609829 is 92890645.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33907329 + 20702500 = 5823^2 + 4550^2 .

It is a cyclic number.

It is not a de Polignac number, because 54609829 - 2¹¹ = 54607781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54609809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6294 + ... + 12199.

It is an arithmetic number, because the mean of its divisors is an integer number (13657819).

Almost surely, 2^54609829 is an apocalyptic number.

It is an amenable number.

54609829 is a deficient number, since it is larger than the sum of its proper divisors (21447).

54609829 is a wasteful number, since it uses less digits than its factorization.

54609829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21446.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 54609829 is about 7389.8463448166. The cubic root of 54609829 is about 379.3938373706.

The spelling of 54609829 in words is "fifty-four million, six hundred nine thousand, eight hundred twenty-nine".