55274750 has 32 divisors (see below), whose sum is σ = 107984448. Its totient is φ = 21146400.

The previous prime is 55274749. The next prime is 55274753. The reversal of 55274750 is 5747255.

55274750 = 602² + 603² + ... + 726².

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55274750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55274753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944 + ... + 10556.

It is an arithmetic number, because the mean of its divisors is an integer number (3374514).

Almost surely, 2^55274750 is an apocalyptic number.

55274750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55274750 is a deficient number, since it is larger than the sum of its proper divisors (52709698).

55274750 is a wasteful number, since it uses less digits than its factorization.

55274750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9653 (or 9643 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 55274750 is about 7434.6990524163. The cubic root of 55274750 is about 380.9274437421.

The spelling of 55274750 in words is "fifty-five million, two hundred seventy-four thousand, seven hundred fifty".