54999612 has 72 divisors (see below), whose sum is σ = 144240096. Its totient is φ = 17656704.

The previous prime is 54999589. The next prime is 54999619. The reversal of 54999612 is 21699945.

54999612 is a `hidden beast` number, since 549 + 9 + 96 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54999619) 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, 208993 + ... + 209255.

Almost surely, 2^54999612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54999612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72120048).

54999612 is an abundant number, since it is smaller than the sum of its proper divisors (89240484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54999612 is a wasteful number, since it uses less digits than its factorization.

54999612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 462 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 54999612 is about 7416.1723280949. The cubic root of 54999612 is about 380.2943518040.

It can be divided in two parts, 54999 and 612, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 54999612 in words is "fifty-four million, nine hundred ninety-nine thousand, six hundred twelve".