55093668 has 96 divisors (see below), whose sum is σ = 159522048. Its totient is φ = 14438400.

The previous prime is 55093667. The next prime is 55093679. The reversal of 55093668 is 86639055.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (55093667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58078 + ... + 59018.

It is an arithmetic number, because the mean of its divisors is an integer number (1661688).

Almost surely, 2^55093668 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 55093668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79761024).

55093668 is an abundant number, since it is smaller than the sum of its proper divisors (104428380).

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

55093668 is a wasteful number, since it uses less digits than its factorization.

55093668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 55093668 is about 7422.5108959166. The cubic root of 55093668 is about 380.5110114849.

The spelling of 55093668 in words is "fifty-five million, ninety-three thousand, six hundred sixty-eight".