56083511 has 4 divisors (see below), whose sum is σ = 61182024. Its totient is φ = 50985000.

The previous prime is 56083507. The next prime is 56083513. The reversal of 56083511 is 11538065.

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

It is not a de Polignac number, because 56083511 - 2² = 56083507 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 (56083513) 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, 2549240 + ... + 2549261.

It is an arithmetic number, because the mean of its divisors is an integer number (15295506).

Almost surely, 2^56083511 is an apocalyptic number.

56083511 is a deficient number, since it is larger than the sum of its proper divisors (5098513).

56083511 is a wasteful number, since it uses less digits than its factorization.

56083511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098512.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 56083511 is about 7488.8925082418. The cubic root of 56083511 is about 382.7763216156.

It can be divided in two parts, 5608 and 3511, that added together give a palindrome (9119).

The spelling of 56083511 in words is "fifty-six million, eighty-three thousand, five hundred eleven".