55262774 has 16 divisors (see below), whose sum is σ = 95287968. Its totient is φ = 23546112.

The previous prime is 55262771. The next prime is 55262789. The reversal of 55262774 is 47726255.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55262771) 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, 8987 + ... + 13830.

It is an arithmetic number, because the mean of its divisors is an integer number (5955498).

Almost surely, 2^55262774 is an apocalyptic number.

55262774 is a deficient number, since it is larger than the sum of its proper divisors (40025194).

55262774 is a wasteful number, since it uses less digits than its factorization.

55262774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22999.

The product of its digits is 117600, while the sum is 38.

The square root of 55262774 is about 7433.8935962253. The cubic root of 55262774 is about 380.8999307784.

The spelling of 55262774 in words is "fifty-five million, two hundred sixty-two thousand, seven hundred seventy-four".