56432739 has 8 divisors (see below), whose sum is σ = 82084032. Its totient is φ = 34201640.

The previous prime is 56432737. The next prime is 56432743. The reversal of 56432739 is 93723465.

56432739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56432739 - 2¹ = 56432737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56432697 and 56432706.

It is not an unprimeable number, because it can be changed into a prime (56432737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855009 + ... + 855074.

It is an arithmetic number, because the mean of its divisors is an integer number (10260504).

Almost surely, 2^56432739 is an apocalyptic number.

56432739 is a deficient number, since it is larger than the sum of its proper divisors (25651293).

56432739 is a wasteful number, since it uses less digits than its factorization.

56432739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710097.

The product of its digits is 136080, while the sum is 39.

The square root of 56432739 is about 7512.1727216565. The cubic root of 56432739 is about 383.5691850836.

The spelling of 56432739 in words is "fifty-six million, four hundred thirty-two thousand, seven hundred thirty-nine".