55727336 has 64 divisors (see below), whose sum is σ = 126074880. Its totient is φ = 22587840.

The previous prime is 55727303. The next prime is 55727381. The reversal of 55727336 is 63372755.

It is a self number, because there is not a number n which added to its sum of digits gives 55727336.

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, 81251 + ... + 81933.

It is an arithmetic number, because the mean of its divisors is an integer number (1969920).

Almost surely, 2^55727336 is an apocalyptic number.

55727336 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55727336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63037440).

55727336 is an abundant number, since it is smaller than the sum of its proper divisors (70347544).

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

55727336 is a wasteful number, since it uses less digits than its factorization.

55727336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 770 counting only the distinct ones).

The product of its digits is 132300, while the sum is 38.

The square root of 55727336 is about 7465.0744135608. The cubic root of 55727336 is about 381.9642885761.

The spelling of 55727336 in words is "fifty-five million, seven hundred twenty-seven thousand, three hundred thirty-six".