56511127 has 4 divisors (see below), whose sum is σ = 56673400. Its totient is φ = 56348856.

The previous prime is 56511113. The next prime is 56511139. The reversal of 56511127 is 72111565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72111565 = 5 ⋅14422313.

It is a cyclic number.

It is not a de Polignac number, because 56511127 - 2⁷ = 56510999 is a prime.

It is a super-3 number, since 3×56511127³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56511095 and 56511104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56511107) 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, 80613 + ... + 81310.

It is an arithmetic number, because the mean of its divisors is an integer number (14168350).

Almost surely, 2^56511127 is an apocalyptic number.

56511127 is a deficient number, since it is larger than the sum of its proper divisors (162273).

56511127 is a wasteful number, since it uses less digits than its factorization.

56511127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162272.

The product of its digits is 2100, while the sum is 28.

The square root of 56511127 is about 7517.3883097789. The cubic root of 56511127 is about 383.7467020764.

The spelling of 56511127 in words is "fifty-six million, five hundred eleven thousand, one hundred twenty-seven".