56305340 has 48 divisors (see below), whose sum is σ = 145532352. Its totient is φ = 17819136.

The previous prime is 56305313. The next prime is 56305351. The reversal of 56305340 is 4350365.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 13649 + ... + 17288.

It is an arithmetic number, because the mean of its divisors is an integer number (3031924).

Almost surely, 2^56305340 is an apocalyptic number.

It is an amenable number.

56305340 is an abundant number, since it is smaller than the sum of its proper divisors (89227012).

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

56305340 is a wasteful number, since it uses less digits than its factorization.

56305340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30966 (or 30964 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 56305340 is about 7503.6884263674. The cubic root of 56305340 is about 383.2803270543.

The spelling of 56305340 in words is "fifty-six million, three hundred five thousand, three hundred forty".