56876447 has 8 divisors (see below), whose sum is σ = 59458560. Its totient is φ = 54303480.

The previous prime is 56876431. The next prime is 56876459. The reversal of 56876447 is 74467865.

It is a happy number.

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 56876447 - 2⁴ = 56876431 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 (56876647) 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, 12554 + ... + 16472.

It is an arithmetic number, because the mean of its divisors is an integer number (7432320).

Almost surely, 2^56876447 is an apocalyptic number.

56876447 is a deficient number, since it is larger than the sum of its proper divisors (2582113).

56876447 is a wasteful number, since it uses less digits than its factorization.

56876447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573.

The product of its digits is 1128960, while the sum is 47.

The square root of 56876447 is about 7541.6474990548. The cubic root of 56876447 is about 384.5718453884.

The spelling of 56876447 in words is "fifty-six million, eight hundred seventy-six thousand, four hundred forty-seven".