52698109 has 4 divisors (see below), whose sum is σ = 54398080. Its totient is φ = 50998140.

The previous prime is 52698103. The next prime is 52698127. The reversal of 52698109 is 90189625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52698109 - 2¹⁵ = 52665341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52698103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849939 + ... + 850000.

It is an arithmetic number, because the mean of its divisors is an integer number (13599520).

Almost surely, 2^52698109 is an apocalyptic number.

It is an amenable number.

52698109 is a deficient number, since it is larger than the sum of its proper divisors (1699971).

52698109 is a wasteful number, since it uses less digits than its factorization.

52698109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699970.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 52698109 is about 7259.3463204341. The cubic root of 52698109 is about 374.9140164345.

The spelling of 52698109 in words is "fifty-two million, six hundred ninety-eight thousand, one hundred nine".