55236653 has 8 divisors (see below), whose sum is σ = 56486808. Its totient is φ = 53994304.

The previous prime is 55236631. The next prime is 55236661. The reversal of 55236653 is 35663255.

55236653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16024009 + 39212644 = 4003^2 + 6262^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55236653 - 2⁸ = 55236397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55236673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13751 + ... + 17307.

It is an arithmetic number, because the mean of its divisors is an integer number (7060851).

Almost surely, 2^55236653 is an apocalyptic number.

55236653 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

55236653 is a deficient number, since it is larger than the sum of its proper divisors (1250155).

55236653 is a wasteful number, since it uses less digits than its factorization.

55236653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903.

The product of its digits is 81000, while the sum is 35.

The square root of 55236653 is about 7432.1365030521. The cubic root of 55236653 is about 380.8399081243.

The spelling of 55236653 in words is "fifty-five million, two hundred thirty-six thousand, six hundred fifty-three".