55633277 has 12 divisors (see below), whose sum is σ = 65448540. Its totient is φ = 47146176.

The previous prime is 55633267. The next prime is 55633307. The reversal of 55633277 is 77233655.

It can be written as a sum of positive squares in 2 ways, for example, as 20894041 + 34739236 = 4571^2 + 5894^2 .

It is not a de Polignac number, because 55633277 - 2⁴ = 55633261 is a prime.

It is a super-3 number, since 3×55633277³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55633277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55633217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2018 + ... + 10739.

It is an arithmetic number, because the mean of its divisors is an integer number (5454045).

Almost surely, 2^55633277 is an apocalyptic number.

It is an amenable number.

55633277 is a deficient number, since it is larger than the sum of its proper divisors (9815263).

55633277 is a wasteful number, since it uses less digits than its factorization.

55633277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12860 (or 12853 counting only the distinct ones).

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

The square root of 55633277 is about 7458.7718157884. The cubic root of 55633277 is about 381.7492689602.

It can be divided in two parts, 556 and 33277, that added together give a palindrome (33833).

The spelling of 55633277 in words is "fifty-five million, six hundred thirty-three thousand, two hundred seventy-seven".