52726554 has 48 divisors (see below), whose sum is σ = 124256808. Its totient is φ = 16091136.

The previous prime is 52726549. The next prime is 52726561. The reversal of 52726554 is 45562725.

It can be written as a sum of positive squares in 4 ways, for example, as 49914225 + 2812329 = 7065^2 + 1677^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8994 + ... + 13650.

Almost surely, 2^52726554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52726554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62128404).

52726554 is an abundant number, since it is smaller than the sum of its proper divisors (71530254).

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

52726554 is a wasteful number, since it uses less digits than its factorization.

52726554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719 (or 4716 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 52726554 is about 7261.3052545668. The cubic root of 52726554 is about 374.9814604168.

The spelling of 52726554 in words is "fifty-two million, seven hundred twenty-six thousand, five hundred fifty-four".