55526047 has 4 divisors (see below), whose sum is σ = 56308176. Its totient is φ = 54743920.

The previous prime is 55526041. The next prime is 55526057. The reversal of 55526047 is 74062555.

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

It is a cyclic number.

It is not a de Polignac number, because 55526047 - 2¹¹ = 55523999 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 (55526041) 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, 390958 + ... + 391099.

It is an arithmetic number, because the mean of its divisors is an integer number (14077044).

Almost surely, 2^55526047 is an apocalyptic number.

55526047 is a deficient number, since it is larger than the sum of its proper divisors (782129).

55526047 is an equidigital number, since it uses as much as digits as its factorization.

55526047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782128.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 55526047 is about 7451.5801679912. The cubic root of 55526047 is about 381.5038444921.

The spelling of 55526047 in words is "fifty-five million, five hundred twenty-six thousand, forty-seven".