52420118 has 4 divisors (see below), whose sum is σ = 78630180. Its totient is φ = 26210058.

The previous prime is 52420117. The next prime is 52420153. The reversal of 52420118 is 81102425.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×52420118² = 5495737542267848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52420093 and 52420102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52420117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13105028 + ... + 13105031.

It is an arithmetic number, because the mean of its divisors is an integer number (19657545).

Almost surely, 2^52420118 is an apocalyptic number.

52420118 is a deficient number, since it is larger than the sum of its proper divisors (26210062).

52420118 is a wasteful number, since it uses less digits than its factorization.

52420118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26210061.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 52420118 is about 7240.1738929393. The cubic root of 52420118 is about 374.2536099090.

The spelling of 52420118 in words is "fifty-two million, four hundred twenty thousand, one hundred eighteen".