55068774 has 16 divisors (see below), whose sum is σ = 111782208. Its totient is φ = 18082152.

The previous prime is 55068737. The next prime is 55068779. The reversal of 55068774 is 47786055.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55068779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68092 + ... + 68895.

It is an arithmetic number, because the mean of its divisors is an integer number (6986388).

Almost surely, 2^55068774 is an apocalyptic number.

55068774 is an abundant number, since it is smaller than the sum of its proper divisors (56713434).

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

55068774 is a wasteful number, since it uses less digits than its factorization.

55068774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137059.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 55068774 is about 7420.8337806476. The cubic root of 55068774 is about 380.4536917206.

The spelling of 55068774 in words is "fifty-five million, sixty-eight thousand, seven hundred seventy-four".