52109042 has 4 divisors (see below), whose sum is σ = 78163566. Its totient is φ = 26054520.

The previous prime is 52109033. The next prime is 52109051. The reversal of 52109042 is 24090125.

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

It is an interprime number because it is at equal distance from previous prime (52109033) and next prime (52109051).

It can be written as a sum of positive squares in only one way, i.e., 28206721 + 23902321 = 5311^2 + 4889^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52108999 and 52109017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13027259 + ... + 13027262.

Almost surely, 2^52109042 is an apocalyptic number.

52109042 is a deficient number, since it is larger than the sum of its proper divisors (26054524).

52109042 is a wasteful number, since it uses less digits than its factorization.

52109042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26054523.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 52109042 is about 7218.6592938024. The cubic root of 52109042 is about 373.5118312743.

Adding to 52109042 its reverse (24090125), we get a palindrome (76199167).

The spelling of 52109042 in words is "fifty-two million, one hundred nine thousand, forty-two".