56248919 has 4 divisors (see below), whose sum is σ = 56308896. Its totient is φ = 56188944.

The previous prime is 56248897. The next prime is 56248939. The reversal of 56248919 is 91984265.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56248919 is a prime.

It is a super-2 number, since 2×56248919² = 6327881777337122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56248919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56248939) 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, 28559 + ... + 30464.

It is an arithmetic number, because the mean of its divisors is an integer number (14077224).

Almost surely, 2^56248919 is an apocalyptic number.

56248919 is a deficient number, since it is larger than the sum of its proper divisors (59977).

56248919 is an equidigital number, since it uses as much as digits as its factorization.

56248919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59976.

The product of its digits is 155520, while the sum is 44.

The square root of 56248919 is about 7499.9279329871. The cubic root of 56248919 is about 383.1522617203.

The spelling of 56248919 in words is "fifty-six million, two hundred forty-eight thousand, nine hundred nineteen".