55113774 has 16 divisors (see below), whose sum is σ = 111259008. Its totient is φ = 18199352.

The previous prime is 55113763. The next prime is 55113791. The reversal of 55113774 is 47731155.

55113774 = T₉₆₁ + T₉₆₂ + ... + T₁₀₆₇.

55113774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 42282 + ... + 43565.

It is an arithmetic number, because the mean of its divisors is an integer number (6953688).

Almost surely, 2^55113774 is an apocalyptic number.

55113774 is an abundant number, since it is smaller than the sum of its proper divisors (56145234).

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

55113774 is a wasteful number, since it uses less digits than its factorization.

55113774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85959.

The product of its digits is 14700, while the sum is 33.

The square root of 55113774 is about 7423.8651658014. The cubic root of 55113774 is about 380.5572940202.

The spelling of 55113774 in words is "fifty-five million, one hundred thirteen thousand, seven hundred seventy-four".