55539792 has 120 divisors (see below), whose sum is σ = 193826880. Its totient is φ = 14423040.

The previous prime is 55539791. The next prime is 55539811. The reversal of 55539792 is 29793555.

55539792 is a `hidden beast` number, since 5 + 553 + 9 + 7 + 92 = 666.

55539792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55539791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8584 + ... + 13592.

It is an arithmetic number, because the mean of its divisors is an integer number (1615224).

Almost surely, 2^55539792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55539792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96913440).

55539792 is an abundant number, since it is smaller than the sum of its proper divisors (138287088).

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

55539792 is a wasteful number, since it uses less digits than its factorization.

55539792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041 (or 5032 counting only the distinct ones).

The product of its digits is 425250, while the sum is 45.

The square root of 55539792 is about 7452.5023985236. The cubic root of 55539792 is about 381.5353212374.

The spelling of 55539792 in words is "fifty-five million, five hundred thirty-nine thousand, seven hundred ninety-two".