55027650 has 24 divisors (see below), whose sum is σ = 136468944. Its totient is φ = 14674000.

The previous prime is 55027649. The next prime is 55027663. The reversal of 55027650 is 5672055.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183276 + ... + 183575.

It is an arithmetic number, because the mean of its divisors is an integer number (5686206).

Almost surely, 2^55027650 is an apocalyptic number.

55027650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55027650 is an abundant number, since it is smaller than the sum of its proper divisors (81441294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55027650 is a wasteful number, since it uses less digits than its factorization.

55027650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366866 (or 366861 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 55027650 is about 7418.0624154829. The cubic root of 55027650 is about 380.3589636638.

The spelling of 55027650 in words is "fifty-five million, twenty-seven thousand, six hundred fifty".