55622750 has 32 divisors (see below), whose sum is σ = 104637312. Its totient is φ = 22140000.

The previous prime is 55622741. The next prime is 55622839. The reversal of 55622750 is 5722655.

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, 67340 + ... + 68160.

It is an arithmetic number, because the mean of its divisors is an integer number (3269916).

Almost surely, 2^55622750 is an apocalyptic number.

55622750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55622750 is a deficient number, since it is larger than the sum of its proper divisors (49014562).

55622750 is a wasteful number, since it uses less digits than its factorization.

55622750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 55622750 is about 7458.0661032201. The cubic root of 55622750 is about 381.7251890793.

The spelling of 55622750 in words is "fifty-five million, six hundred twenty-two thousand, seven hundred fifty".