56949849 has 12 divisors (see below), whose sum is σ = 89739312. Its totient is φ = 34515000.

The previous prime is 56949803. The next prime is 56949877. The reversal of 56949849 is 94894965.

It is not a de Polignac number, because 56949849 - 2¹¹ = 56947801 is a prime.

It is a super-2 number, since 2×56949849² = 6486570602245602, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56949795 and 56949804.

It is not an unprimeable number, because it can be changed into a prime (56949889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287527 + ... + 287724.

It is an arithmetic number, because the mean of its divisors is an integer number (7478276).

Almost surely, 2^56949849 is an apocalyptic number.

It is an amenable number.

56949849 is a deficient number, since it is larger than the sum of its proper divisors (32789463).

56949849 is a wasteful number, since it uses less digits than its factorization.

56949849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575268 (or 575265 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 56949849 is about 7546.5123732755. The cubic root of 56949849 is about 384.7372108979.

Subtracting 56949849 from its reverse (94894965), we obtain a triangular number (37945116 = T₈₇₁₁).

The spelling of 56949849 in words is "fifty-six million, nine hundred forty-nine thousand, eight hundred forty-nine".