55989363 has 4 divisors (see below), whose sum is σ = 74652488. Its totient is φ = 37326240.

The previous prime is 55989341. The next prime is 55989377. The reversal of 55989363 is 36398955.

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

It is not a de Polignac number, because 55989363 - 2⁵ = 55989331 is a prime.

It is a super-3 number, since 3×55989363³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55989863) 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, 9331558 + ... + 9331563.

It is an arithmetic number, because the mean of its divisors is an integer number (18663122).

Almost surely, 2^55989363 is an apocalyptic number.

55989363 is a deficient number, since it is larger than the sum of its proper divisors (18663125).

55989363 is a wasteful number, since it uses less digits than its factorization.

55989363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18663124.

The product of its digits is 874800, while the sum is 48.

The square root of 55989363 is about 7482.6040253377. The cubic root of 55989363 is about 382.5620113908.

The spelling of 55989363 in words is "fifty-five million, nine hundred eighty-nine thousand, three hundred sixty-three".