56397463 has 4 divisors (see below), whose sum is σ = 58216768. Its totient is φ = 54578160.

The previous prime is 56397461. The next prime is 56397487. The reversal of 56397463 is 36479365.

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

It is a cyclic number.

It is not a de Polignac number, because 56397463 - 2¹ = 56397461 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 (56397461) 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, 909606 + ... + 909667.

It is an arithmetic number, because the mean of its divisors is an integer number (14554192).

Almost surely, 2^56397463 is an apocalyptic number.

56397463 is a deficient number, since it is larger than the sum of its proper divisors (1819305).

56397463 is a wasteful number, since it uses less digits than its factorization.

56397463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819304.

The product of its digits is 408240, while the sum is 43.

The square root of 56397463 is about 7509.8244320357. The cubic root of 56397463 is about 383.4892456303.

The spelling of 56397463 in words is "fifty-six million, three hundred ninety-seven thousand, four hundred sixty-three".