55646750 has 16 divisors (see below), whose sum is σ = 104171184. Its totient is φ = 22258600.

The previous prime is 55646713. The next prime is 55646753. The reversal of 55646750 is 5764655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55646753) 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, 111044 + ... + 111543.

It is an arithmetic number, because the mean of its divisors is an integer number (6510699).

Almost surely, 2^55646750 is an apocalyptic number.

55646750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55646750 is a deficient number, since it is larger than the sum of its proper divisors (48524434).

55646750 is a wasteful number, since it uses less digits than its factorization.

55646750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222604 (or 222594 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 55646750 is about 7459.6749258932. The cubic root of 55646750 is about 381.7800832081.

The spelling of 55646750 in words is "fifty-five million, six hundred forty-six thousand, seven hundred fifty".