55019694 has 16 divisors (see below), whose sum is σ = 110227968. Its totient is φ = 18308472.

The previous prime is 55019689. The next prime is 55019707. The reversal of 55019694 is 49691055.

55019694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3912 + ... + 11195.

It is an arithmetic number, because the mean of its divisors is an integer number (6889248).

Almost surely, 2^55019694 is an apocalyptic number.

55019694 is an abundant number, since it is smaller than the sum of its proper divisors (55208274).

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

55019694 is a wasteful number, since it uses less digits than its factorization.

55019694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15719.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 55019694 is about 7417.5261374666. The cubic root of 55019694 is about 380.3406317781.

The spelling of 55019694 in words is "fifty-five million, nineteen thousand, six hundred ninety-four".