55382750 has 32 divisors (see below), whose sum is σ = 107265600. Its totient is φ = 21386400.

The previous prime is 55382749. The next prime is 55382773. The reversal of 55382750 is 5728355.

It is a self number, because there is not a number n which added to its sum of digits gives 55382750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3431 + ... + 11069.

It is an arithmetic number, because the mean of its divisors is an integer number (3352050).

Almost surely, 2^55382750 is an apocalyptic number.

55382750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55382750 is a deficient number, since it is larger than the sum of its proper divisors (51882850).

55382750 is a wasteful number, since it uses less digits than its factorization.

55382750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7685 (or 7675 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 55382750 is about 7441.9587475341. The cubic root of 55382750 is about 381.1753773147.

The spelling of 55382750 in words is "fifty-five million, three hundred eighty-two thousand, seven hundred fifty".