53777889 has 24 divisors (see below), whose sum is σ = 85149792. Its totient is φ = 32435520.

The previous prime is 53777863. The next prime is 53777891. The reversal of 53777889 is 98877735.

53777889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53777889 - 2¹³ = 53769697 is a prime.

It is a super-2 number, since 2×53777889² = 5784122690592642, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53777819) 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 23 ways as a sum of consecutive naturals, for example, 21277 + ... + 23669.

It is an arithmetic number, because the mean of its divisors is an integer number (3547908).

Almost surely, 2^53777889 is an apocalyptic number.

It is an amenable number.

53777889 is a deficient number, since it is larger than the sum of its proper divisors (31371903).

53777889 is a wasteful number, since it uses less digits than its factorization.

53777889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637 (or 2634 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 54.

The square root of 53777889 is about 7333.3409166627. The cubic root of 53777889 is about 377.4573762965.

The spelling of 53777889 in words is "fifty-three million, seven hundred seventy-seven thousand, eight hundred eighty-nine".