56309342 has 4 divisors (see below), whose sum is σ = 84464016. Its totient is φ = 28154670.

The previous prime is 56309339. The next prime is 56309371. The reversal of 56309342 is 24390365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24390365 = 5 ⋅4878073.

It is a junction number, because it is equal to n+sod(n) for n = 56309299 and 56309308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14077334 + ... + 14077337.

It is an arithmetic number, because the mean of its divisors is an integer number (21116004).

Almost surely, 2^56309342 is an apocalyptic number.

56309342 is a deficient number, since it is larger than the sum of its proper divisors (28154674).

56309342 is a wasteful number, since it uses less digits than its factorization.

56309342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28154673.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 56309342 is about 7503.9550904840. The cubic root of 56309342 is about 383.2894076112.

The spelling of 56309342 in words is "fifty-six million, three hundred nine thousand, three hundred forty-two".