56249903 has 8 divisors (see below), whose sum is σ = 58158720. Its totient is φ = 54347040.

The previous prime is 56249887. The next prime is 56249911. The reversal of 56249903 is 30994265.

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

It is a cyclic number.

It is not a de Polignac number, because 56249903 - 2⁴ = 56249887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56249003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26153 + ... + 28221.

It is an arithmetic number, because the mean of its divisors is an integer number (7269840).

Almost surely, 2^56249903 is an apocalyptic number.

56249903 is a deficient number, since it is larger than the sum of its proper divisors (1908817).

56249903 is a wasteful number, since it uses less digits than its factorization.

56249903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 56249903 is about 7499.9935333305. The cubic root of 56249903 is about 383.1544959536.

The spelling of 56249903 in words is "fifty-six million, two hundred forty-nine thousand, nine hundred three".