56622998 has 8 divisors (see below), whose sum is σ = 85306080. Its totient is φ = 28187640.

The previous prime is 56622991. The next prime is 56623001. The reversal of 56622998 is 89922665.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56622991) 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, 61358 + ... + 62273.

It is an arithmetic number, because the mean of its divisors is an integer number (10663260).

Almost surely, 2^56622998 is an apocalyptic number.

56622998 is a deficient number, since it is larger than the sum of its proper divisors (28683082).

56622998 is a wasteful number, since it uses less digits than its factorization.

56622998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123862.

The product of its digits is 466560, while the sum is 47.

The square root of 56622998 is about 7524.8254464805. The cubic root of 56622998 is about 383.9997603803. Note that the first 3 decimals are identical.

The spelling of 56622998 in words is "fifty-six million, six hundred twenty-two thousand, nine hundred ninety-eight".