55236736 has 32 divisors (see below), whose sum is σ = 110404800. Its totient is φ = 27527424.

The previous prime is 55236719. The next prime is 55236739. The reversal of 55236736 is 63763255.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 55236695 and 55236704.

It is not an unprimeable number, because it can be changed into a prime (55236739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55701 + ... + 56683.

It is an arithmetic number, because the mean of its divisors is an integer number (3450150).

Almost surely, 2^55236736 is an apocalyptic number.

It is an amenable number.

55236736 is a deficient number, since it is larger than the sum of its proper divisors (55168064).

55236736 is an equidigital number, since it uses as much as digits as its factorization.

55236736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 1424 counting only the distinct ones).

The product of its digits is 113400, while the sum is 37.

The square root of 55236736 is about 7432.1420869087. The cubic root of 55236736 is about 380.8400988774.

The spelling of 55236736 in words is "fifty-five million, two hundred thirty-six thousand, seven hundred thirty-six".