55513235 has 4 divisors (see below), whose sum is σ = 66615888. Its totient is φ = 44410584.

The previous prime is 55513229. The next prime is 55513253. The reversal of 55513235 is 53231555.

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 55513235 - 2⁸ = 55512979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55513198 and 55513207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5551319 + ... + 5551328.

It is an arithmetic number, because the mean of its divisors is an integer number (16653972).

Almost surely, 2^55513235 is an apocalyptic number.

55513235 is a deficient number, since it is larger than the sum of its proper divisors (11102653).

55513235 is a wasteful number, since it uses less digits than its factorization.

55513235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102652.

The product of its digits is 11250, while the sum is 29.

The square root of 55513235 is about 7450.7204349647. The cubic root of 55513235 is about 381.4744996860.

The spelling of 55513235 in words is "fifty-five million, five hundred thirteen thousand, two hundred thirty-five".