52861939 has 8 divisors (see below), whose sum is σ = 57065792. Its totient is φ = 48677760.

The previous prime is 52861909. The next prime is 52861943. The reversal of 52861939 is 93916825.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52861939 - 2¹⁵ = 52829171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52861895 and 52861904.

It is not an unprimeable number, because it can be changed into a prime (52861909) 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, 934 + ... + 10324.

It is an arithmetic number, because the mean of its divisors is an integer number (7133224).

Almost surely, 2^52861939 is an apocalyptic number.

52861939 is a deficient number, since it is larger than the sum of its proper divisors (4203853).

52861939 is a wasteful number, since it uses less digits than its factorization.

52861939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9837.

The product of its digits is 116640, while the sum is 43.

The square root of 52861939 is about 7270.6216377969. The cubic root of 52861939 is about 375.3021304397.

It can be divided in two parts, 5286 and 1939, that added together give a square (7225 = 85²).

The spelling of 52861939 in words is "fifty-two million, eight hundred sixty-one thousand, nine hundred thirty-nine".