56451147 has 8 divisors (see below), whose sum is σ = 79229760. Its totient is φ = 35653320.

The previous prime is 56451133. The next prime is 56451173. The reversal of 56451147 is 74115465.

56451147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56451147 - 2¹² = 56447051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56451127) 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 7 ways as a sum of consecutive naturals, for example, 495129 + ... + 495242.

It is an arithmetic number, because the mean of its divisors is an integer number (9903720).

Almost surely, 2^56451147 is an apocalyptic number.

56451147 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

56451147 is a deficient number, since it is larger than the sum of its proper divisors (22778613).

56451147 is a wasteful number, since it uses less digits than its factorization.

56451147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990393.

The product of its digits is 16800, while the sum is 33.

The square root of 56451147 is about 7513.3978332044. The cubic root of 56451147 is about 383.6108864913.

The spelling of 56451147 in words is "fifty-six million, four hundred fifty-one thousand, one hundred forty-seven".