55192750 has 16 divisors (see below), whose sum is σ = 103321296. Its totient is φ = 22077000.

The previous prime is 55192717. The next prime is 55192751. The reversal of 55192750 is 5729155.

55192750 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 not an unprimeable number, because it can be changed into a prime (55192751) by changing a digit.

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, 110136 + ... + 110635.

It is an arithmetic number, because the mean of its divisors is an integer number (6457581).

Almost surely, 2^55192750 is an apocalyptic number.

55192750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55192750 is a deficient number, since it is larger than the sum of its proper divisors (48128546).

55192750 is a wasteful number, since it uses less digits than its factorization.

55192750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220788 (or 220778 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 55192750 is about 7429.1823237823. The cubic root of 55192750 is about 380.7389821068.

The spelling of 55192750 in words is "fifty-five million, one hundred ninety-two thousand, seven hundred fifty".