56434778448 has 40 divisors (see below), whose sum is σ = 145893489600. Its totient is φ = 18798219264.

The previous prime is 56434778429. The next prime is 56434778479. The reversal of 56434778448 is 84487743465.

It is a junction number, because it is equal to n+sod(n) for n = 56434778391 and 56434778400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349588 + ... + 484851.

It is an arithmetic number, because the mean of its divisors is an integer number (3647337240).

Almost surely, 2^56434778448 is an apocalyptic number.

It is an amenable number.

56434778448 is an abundant number, since it is smaller than the sum of its proper divisors (89458711152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56434778448 is a wasteful number, since it uses less digits than its factorization.

56434778448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835859 (or 835853 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 60.

The spelling of 56434778448 in words is "fifty-six billion, four hundred thirty-four million, seven hundred seventy-eight thousand, four hundred forty-eight".