56583998 has 4 divisors (see below), whose sum is σ = 84876000. Its totient is φ = 28291998.

The previous prime is 56583991. The next prime is 56584057. The reversal of 56583998 is 89938565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89938565 = 5 ⋅17987713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56583991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14145998 + ... + 14146001.

It is an arithmetic number, because the mean of its divisors is an integer number (21219000).

Almost surely, 2^56583998 is an apocalyptic number.

56583998 is a deficient number, since it is larger than the sum of its proper divisors (28292002).

56583998 is a wasteful number, since it uses less digits than its factorization.

56583998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28292001.

The product of its digits is 2332800, while the sum is 53.

The square root of 56583998 is about 7522.2335778677. The cubic root of 56583998 is about 383.9115781292.

The spelling of 56583998 in words is "fifty-six million, five hundred eighty-three thousand, nine hundred ninety-eight".