56198447 has 16 divisors (see below), whose sum is σ = 62972640. Its totient is φ = 49840128.

The previous prime is 56198383. The next prime is 56198459. The reversal of 56198447 is 74489165.

It is a cyclic number.

It is not a de Polignac number, because 56198447 - 2⁶ = 56198383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56198398 and 56198407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56198047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82673 + ... + 83349.

It is an arithmetic number, because the mean of its divisors is an integer number (3935790).

Almost surely, 2^56198447 is an apocalyptic number.

56198447 is a deficient number, since it is larger than the sum of its proper divisors (6774193).

56198447 is a wasteful number, since it uses less digits than its factorization.

56198447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970.

The product of its digits is 241920, while the sum is 44.

The square root of 56198447 is about 7496.5623455021. The cubic root of 56198447 is about 383.0376269368.

The spelling of 56198447 in words is "fifty-six million, one hundred ninety-eight thousand, four hundred forty-seven".