55513705 has 16 divisors (see below), whose sum is σ = 71930880. Its totient is φ = 40886208.

The previous prime is 55513699. The next prime is 55513723. The reversal of 55513705 is 50731555.

55513705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55513705 - 2¹¹ = 55511657 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30244 + ... + 32026.

It is an arithmetic number, because the mean of its divisors is an integer number (4495680).

Almost surely, 2^55513705 is an apocalyptic number.

It is an amenable number.

55513705 is a deficient number, since it is larger than the sum of its proper divisors (16417175).

55513705 is a wasteful number, since it uses less digits than its factorization.

55513705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280.

The product of its (nonzero) digits is 13125, while the sum is 31.

The square root of 55513705 is about 7450.7519754720. The cubic root of 55513705 is about 381.4755762612.

The spelling of 55513705 in words is "fifty-five million, five hundred thirteen thousand, seven hundred five".