56386542 has 8 divisors (see below), whose sum is σ = 112773096. Its totient is φ = 18795512.

The previous prime is 56386531. The next prime is 56386549. The reversal of 56386542 is 24568365.

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

56386542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 56386542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56386549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4698873 + ... + 4698884.

It is an arithmetic number, because the mean of its divisors is an integer number (14096637).

Almost surely, 2^56386542 is an apocalyptic number.

56386542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56386542 is a wasteful number, since it uses less digits than its factorization.

56386542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9397762.

The product of its digits is 172800, while the sum is 39.

The square root of 56386542 is about 7509.0972826299. The cubic root of 56386542 is about 383.4644906372.

The spelling of 56386542 in words is "fifty-six million, three hundred eighty-six thousand, five hundred forty-two".