55327750 has 16 divisors (see below), whose sum is σ = 103574016. Its totient is φ = 22131000.

The previous prime is 55327711. The next prime is 55327751. The reversal of 55327750 is 5772355.

It is a super-2 number, since 2×55327750² = 6122319840125000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55327751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110406 + ... + 110905.

It is an arithmetic number, because the mean of its divisors is an integer number (6473376).

Almost surely, 2^55327750 is an apocalyptic number.

55327750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55327750 is a deficient number, since it is larger than the sum of its proper divisors (48246266).

55327750 is a wasteful number, since it uses less digits than its factorization.

55327750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221328 (or 221318 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 34.

The square root of 55327750 is about 7438.2625659491. The cubic root of 55327750 is about 381.0491551636.

The spelling of 55327750 in words is "fifty-five million, three hundred twenty-seven thousand, seven hundred fifty".