56781435 has 16 divisors (see below), whose sum is σ = 91330560. Its totient is φ = 30123360.

The previous prime is 56781419. The next prime is 56781463. The reversal of 56781435 is 53418765.

It is not a de Polignac number, because 56781435 - 2⁴ = 56781419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56781393 and 56781402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7045 + ... + 12774.

It is an arithmetic number, because the mean of its divisors is an integer number (5708160).

Almost surely, 2^56781435 is an apocalyptic number.

56781435 is a deficient number, since it is larger than the sum of its proper divisors (34549125).

56781435 is a wasteful number, since it uses less digits than its factorization.

56781435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20018.

The product of its digits is 100800, while the sum is 39.

The square root of 56781435 is about 7535.3457120427. The cubic root of 56781435 is about 384.3575838497.

The spelling of 56781435 in words is "fifty-six million, seven hundred eighty-one thousand, four hundred thirty-five".