54836991 has 24 divisors (see below), whose sum is σ = 90170496. Its totient is φ = 31788240.

The previous prime is 54836989. The next prime is 54837011. The reversal of 54836991 is 19963845.

It is a happy number.

It is not a de Polignac number, because 54836991 - 2¹ = 54836989 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54836491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9765 + ... + 14318.

It is an arithmetic number, because the mean of its divisors is an integer number (3757104).

Almost surely, 2^54836991 is an apocalyptic number.

54836991 is a deficient number, since it is larger than the sum of its proper divisors (35333505).

54836991 is a wasteful number, since it uses less digits than its factorization.

54836991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24123 (or 24120 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 54836991 is about 7405.2002673797. The cubic root of 54836991 is about 379.9191679408.

The spelling of 54836991 in words is "fifty-four million, eight hundred thirty-six thousand, nine hundred ninety-one".