56340340 has 48 divisors (see below), whose sum is σ = 141103872. Its totient is φ = 18475776.

The previous prime is 56340259. The next prime is 56340341. The reversal of 56340340 is 4304365.

It is a super-2 number, since 2×56340340² = 6348467822631200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56340341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5529 + ... + 11968.

It is an arithmetic number, because the mean of its divisors is an integer number (2939664).

Almost surely, 2^56340340 is an apocalyptic number.

It is an amenable number.

56340340 is an abundant number, since it is smaller than the sum of its proper divisors (84763532).

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

56340340 is a wasteful number, since it uses less digits than its factorization.

56340340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17536 (or 17534 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 56340340 is about 7506.0202504390. The cubic root of 56340340 is about 383.3597276512.

The spelling of 56340340 in words is "fifty-six million, three hundred forty thousand, three hundred forty".