56276511 has 8 divisors (see below), whose sum is σ = 79449264. Its totient is φ = 35310720.

The previous prime is 56276509. The next prime is 56276533. The reversal of 56276511 is 11567265.

Added to its reverse (11567265) it gives a triangular number (67843776 = T₁₁₆₄₈).

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

It is not a de Polignac number, because 56276511 - 2¹ = 56276509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56276581) 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, 551680 + ... + 551781.

It is an arithmetic number, because the mean of its divisors is an integer number (9931158).

Almost surely, 2^56276511 is an apocalyptic number.

56276511 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

56276511 is a deficient number, since it is larger than the sum of its proper divisors (23172753).

56276511 is a wasteful number, since it uses less digits than its factorization.

56276511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103481.

The product of its digits is 12600, while the sum is 33.

The square root of 56276511 is about 7501.7671918022. The cubic root of 56276511 is about 383.2149011999.

Adding to 56276511 its reverse (11567265), we get a triangular number (67843776 = T₁₁₆₄₈).

The spelling of 56276511 in words is "fifty-six million, two hundred seventy-six thousand, five hundred eleven".