55033013 has 16 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 46449456.

The previous prime is 55032983. The next prime is 55033049. The reversal of 55033013 is 31033055.

It is a cyclic number.

It is not a de Polignac number, because 55033013 - 2¹⁰ = 55031989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55033093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209120 + ... + 209382.

It is an arithmetic number, because the mean of its divisors is an integer number (3991680).

Almost surely, 2^55033013 is an apocalyptic number.

It is an amenable number.

55033013 is a deficient number, since it is larger than the sum of its proper divisors (8833867).

55033013 is a wasteful number, since it uses less digits than its factorization.

55033013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 55033013 is about 7418.4238892099. The cubic root of 55033013 is about 380.3713198693.

Adding to 55033013 its reverse (31033055), we get a palindrome (86066068).

The spelling of 55033013 in words is "fifty-five million, thirty-three thousand, thirteen".