55535263 has 4 divisors (see below), whose sum is σ = 63468880. Its totient is φ = 47601648.

The previous prime is 55535257. The next prime is 55535303. The reversal of 55535263 is 36253555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55535263 - 2⁹ = 55534751 is a prime.

It is a super-3 number, since 3×55535263³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55535863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3966798 + ... + 3966811.

It is an arithmetic number, because the mean of its divisors is an integer number (15867220).

Almost surely, 2^55535263 is an apocalyptic number.

55535263 is a deficient number, since it is larger than the sum of its proper divisors (7933617).

55535263 is an equidigital number, since it uses as much as digits as its factorization.

55535263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933616.

The product of its digits is 67500, while the sum is 34.

The square root of 55535263 is about 7452.1985346608. The cubic root of 55535263 is about 381.5249501720.

It can be divided in two parts, 5553 and 5263, that added together give a square (10816 = 104²).

The spelling of 55535263 in words is "fifty-five million, five hundred thirty-five thousand, two hundred sixty-three".