55479726 has 48 divisors (see below), whose sum is σ = 129785760. Its totient is φ = 17075520.

The previous prime is 55479719. The next prime is 55479737. The reversal of 55479726 is 62797455.

55479726 is a `hidden beast` number, since 554 + 7 + 97 + 2 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9696 + ... + 14316.

It is an arithmetic number, because the mean of its divisors is an integer number (2703870).

Almost surely, 2^55479726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55479726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64892880).

55479726 is an abundant number, since it is smaller than the sum of its proper divisors (74306034).

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

55479726 is a wasteful number, since it uses less digits than its factorization.

55479726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681 (or 4678 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 55479726 is about 7448.4713868015. The cubic root of 55479726 is about 381.3977287930.

The spelling of 55479726 in words is "fifty-five million, four hundred seventy-nine thousand, seven hundred twenty-six".