56280471 has 16 divisors (see below), whose sum is σ = 84327936. Its totient is φ = 33127776.

The previous prime is 56280463. The next prime is 56280481. The reversal of 56280471 is 17408265.

It is not a de Polignac number, because 56280471 - 2³ = 56280463 is a prime.

It is a super-3 number, since 3×56280471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56280401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30475 + ... + 32268.

It is an arithmetic number, because the mean of its divisors is an integer number (5270496).

Almost surely, 2^56280471 is an apocalyptic number.

56280471 is a deficient number, since it is larger than the sum of its proper divisors (28047465).

56280471 is a wasteful number, since it uses less digits than its factorization.

56280471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62782.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 56280471 is about 7502.0311249688. The cubic root of 56280471 is about 383.2238895291.

The spelling of 56280471 in words is "fifty-six million, two hundred eighty thousand, four hundred seventy-one".