55926736 has 40 divisors (see below), whose sum is σ = 115706880. Its totient is φ = 26095104.

The previous prime is 55926733. The next prime is 55926737. The reversal of 55926736 is 63762955.

It is a super-2 number, since 2×55926736² = 6255599599227392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55926692 and 55926701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55926733) 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, 33735 + ... + 35353.

It is an arithmetic number, because the mean of its divisors is an integer number (2892672).

Almost surely, 2^55926736 is an apocalyptic number.

55926736 is the 4318-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55926736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57853440).

55926736 is an abundant number, since it is smaller than the sum of its proper divisors (59780144).

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

55926736 is a wasteful number, since it uses less digits than its factorization.

55926736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771 (or 1765 counting only the distinct ones).

The product of its digits is 340200, while the sum is 43.

The square root of 55926736 is about 7478.4180145269. The cubic root of 55926736 is about 382.4193197057.

The spelling of 55926736 in words is "fifty-five million, nine hundred twenty-six thousand, seven hundred thirty-six".