53779142 has 4 divisors (see below), whose sum is σ = 80668716. Its totient is φ = 26889570.

The previous prime is 53779127. The next prime is 53779151. The reversal of 53779142 is 24197735.

53779142 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.

It is a super-2 number, since 2×53779142² = 5784392228512328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53779096 and 53779105.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 13444784 + ... + 13444787.

It is an arithmetic number, because the mean of its divisors is an integer number (20167179).

Almost surely, 2^53779142 is an apocalyptic number.

53779142 is a deficient number, since it is larger than the sum of its proper divisors (26889574).

53779142 is a wasteful number, since it uses less digits than its factorization.

53779142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26889573.

The product of its digits is 52920, while the sum is 38.

The square root of 53779142 is about 7333.4263478950. The cubic root of 53779142 is about 377.4603078013.

The spelling of 53779142 in words is "fifty-three million, seven hundred seventy-nine thousand, one hundred forty-two".