53079111 has 8 divisors (see below), whose sum is σ = 78635760. Its totient is φ = 35386056.

The previous prime is 53079109. The next prime is 53079119. The reversal of 53079111 is 11197035.

It is a happy number.

It is not a de Polignac number, because 53079111 - 2¹ = 53079109 is a prime.

It is a super-3 number, since 3×53079111³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1965893 = 53079111 / (5 + 3 + 0 + 7 + 9 + 1 + 1 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53079119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982920 + ... + 982973.

It is an arithmetic number, because the mean of its divisors is an integer number (9829470).

Almost surely, 2^53079111 is an apocalyptic number.

53079111 is a deficient number, since it is larger than the sum of its proper divisors (25556649).

53079111 is a wasteful number, since it uses less digits than its factorization.

53079111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965902 (or 1965896 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 53079111 is about 7285.5412290371. The cubic root of 53079111 is about 375.8153778058.

The spelling of 53079111 in words is "fifty-three million, seventy-nine thousand, one hundred eleven".