55653745 has 8 divisors (see below), whose sum is σ = 76325184. Its totient is φ = 38162544.

The previous prime is 55653707. The next prime is 55653749. The reversal of 55653745 is 54735655.

55653745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55653745 - 2¹⁷ = 55522673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55653698 and 55653707.

It is not an unprimeable number, because it can be changed into a prime (55653749) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 795019 + ... + 795088.

It is an arithmetic number, because the mean of its divisors is an integer number (9540648).

Almost surely, 2^55653745 is an apocalyptic number.

It is an amenable number.

55653745 is a deficient number, since it is larger than the sum of its proper divisors (20671439).

55653745 is a wasteful number, since it uses less digits than its factorization.

55653745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590119.

The product of its digits is 315000, while the sum is 40.

The square root of 55653745 is about 7460.1437653707. The cubic root of 55653745 is about 381.7960795888.

The spelling of 55653745 in words is "fifty-five million, six hundred fifty-three thousand, seven hundred forty-five".