55068992 has 112 divisors (see below), whose sum is σ = 131673600. Its totient is φ = 22556160.

The previous prime is 55068991. The next prime is 55069009. The reversal of 55068992 is 29986055.

It is a super-3 number, since 3×55068992³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55068991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307559 + ... + 307737.

Almost surely, 2^55068992 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 55068992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65836800).

55068992 is an abundant number, since it is smaller than the sum of its proper divisors (76604608).

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

55068992 is a wasteful number, since it uses less digits than its factorization.

55068992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 55068992 is about 7420.8484690095. The cubic root of 55068992 is about 380.4541937522.

It can be divided in two parts, 550 and 68992, that multiplied together give a square (37945600 = 6160²).

The spelling of 55068992 in words is "fifty-five million, sixty-eight thousand, nine hundred ninety-two".