55262736 has 50 divisors (see below), whose sum is σ = 159950142. Its totient is φ = 18420480.

The previous prime is 55262731. The next prime is 55262747. The reversal of 55262736 is 63726255.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49787136 + 5475600 = 7056^2 + 2340^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55262736.

It is not an unprimeable number, because it can be changed into a prime (55262731) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20025 + ... + 22616.

Almost surely, 2^55262736 is an apocalyptic number.

It is an amenable number.

55262736 is an abundant number, since it is smaller than the sum of its proper divisors (104687406).

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

55262736 is a wasteful number, since it uses less digits than its factorization.

55262736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42661 (or 42646 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 55262736 is about 7433.8910403637. The cubic root of 55262736 is about 380.8998434731.

The spelling of 55262736 in words is "fifty-five million, two hundred sixty-two thousand, seven hundred thirty-six".