55351047 has 12 divisors (see below), whose sum is σ = 77891640. Its totient is φ = 34957872.

The previous prime is 55351039. The next prime is 55351069. The reversal of 55351047 is 74015355.

55351047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55351047 - 2³ = 55351039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55351097) 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 11 ways as a sum of consecutive naturals, for example, 24472 + ... + 26637.

It is an arithmetic number, because the mean of its divisors is an integer number (6490970).

Almost surely, 2^55351047 is an apocalyptic number.

55351047 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

55351047 is a deficient number, since it is larger than the sum of its proper divisors (22540593).

55351047 is a wasteful number, since it uses less digits than its factorization.

55351047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51150 (or 51131 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 55351047 is about 7439.8284254410. The cubic root of 55351047 is about 381.1026307792.

The spelling of 55351047 in words is "fifty-five million, three hundred fifty-one thousand, forty-seven".