54783553 has 4 divisors (see below), whose sum is σ = 59763888. Its totient is φ = 49803220.

The previous prime is 54783527. The next prime is 54783557. The reversal of 54783553 is 35538745.

54783553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54783553 - 2²¹ = 52686401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54783557) 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 3 ways as a sum of consecutive naturals, for example, 2490151 + ... + 2490172.

It is an arithmetic number, because the mean of its divisors is an integer number (14940972).

Almost surely, 2^54783553 is an apocalyptic number.

It is an amenable number.

54783553 is a deficient number, since it is larger than the sum of its proper divisors (4980335).

54783553 is a wasteful number, since it uses less digits than its factorization.

54783553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980334.

The product of its digits is 252000, while the sum is 40.

The square root of 54783553 is about 7401.5912478331. The cubic root of 54783553 is about 379.7957189184.

It can be divided in two parts, 547 and 83553, that added together give a square (84100 = 290²).

The spelling of 54783553 in words is "fifty-four million, seven hundred eighty-three thousand, five hundred fifty-three".