53543079 has 8 divisors (see below), whose sum is σ = 79323120. Its totient is φ = 35695368.

The previous prime is 53543071. The next prime is 53543093. The reversal of 53543079 is 97034535.

It is not a de Polignac number, because 53543079 - 2³ = 53543071 is a prime.

It is a super-2 number, since 2×53543079² = 5733722617600482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53543071) 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, 991512 + ... + 991565.

It is an arithmetic number, because the mean of its divisors is an integer number (9915390).

Almost surely, 2^53543079 is an apocalyptic number.

53543079 is a deficient number, since it is larger than the sum of its proper divisors (25780041).

53543079 is a wasteful number, since it uses less digits than its factorization.

53543079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983086 (or 1983080 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 53543079 is about 7317.3136464142. The cubic root of 53543079 is about 376.9072116722.

The spelling of 53543079 in words is "fifty-three million, five hundred forty-three thousand, seventy-nine".