55726547 has 4 divisors (see below), whose sum is σ = 55773120. Its totient is φ = 55679976.

The previous prime is 55726529. The next prime is 55726553. The reversal of 55726547 is 74562755.

55726547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74562755 = 5 ⋅14912551.

It is a cyclic number.

It is not a de Polignac number, because 55726547 - 2⁸ = 55726291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55726147) 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 3 ways as a sum of consecutive naturals, for example, 21443 + ... + 23900.

It is an arithmetic number, because the mean of its divisors is an integer number (13943280).

Almost surely, 2^55726547 is an apocalyptic number.

55726547 is a deficient number, since it is larger than the sum of its proper divisors (46573).

55726547 is a wasteful number, since it uses less digits than its factorization.

55726547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46572.

The product of its digits is 294000, while the sum is 41.

The square root of 55726547 is about 7465.0215672830. The cubic root of 55726547 is about 381.9624859225.

The spelling of 55726547 in words is "fifty-five million, seven hundred twenty-six thousand, five hundred forty-seven".