56198049 has 4 divisors (see below), whose sum is σ = 74930736. Its totient is φ = 37465364.

The previous prime is 56198047. The next prime is 56198053. The reversal of 56198049 is 94089165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56198049 - 2¹ = 56198047 is a prime.

It is a super-2 number, since 2×56198049² = 6316441422812802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56198049.

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 3 ways as a sum of consecutive naturals, for example, 9366339 + ... + 9366344.

It is an arithmetic number, because the mean of its divisors is an integer number (18732684).

Almost surely, 2^56198049 is an apocalyptic number.

It is an amenable number.

56198049 is a deficient number, since it is larger than the sum of its proper divisors (18732687).

56198049 is a wasteful number, since it uses less digits than its factorization.

56198049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18732686.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 56198049 is about 7496.5357999545. The cubic root of 56198049 is about 383.0367227046.

The spelling of 56198049 in words is "fifty-six million, one hundred ninety-eight thousand, forty-nine".