56001000446 has 4 divisors (see below), whose sum is σ = 84001500672. Its totient is φ = 28000500222.

The previous prime is 56001000437. The next prime is 56001000469. The reversal of 56001000446 is 64400010065.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64400010065 = 5 ⋅12880002013.

It is a super-2 number, since 2×56001000446² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14000250110 + ... + 14000250113.

It is an arithmetic number, because the mean of its divisors is an integer number (21000375168).

Almost surely, 2^56001000446 is an apocalyptic number.

56001000446 is a deficient number, since it is larger than the sum of its proper divisors (28000500226).

56001000446 is a wasteful number, since it uses less digits than its factorization.

56001000446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28000500225.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 56001000446 in words is "fifty-six billion, one million, four hundred forty-six", and thus it is an aban number.