52120216 has 8 divisors (see below), whose sum is σ = 97725420. Its totient is φ = 26060104.

The previous prime is 52120213. The next prime is 52120219. The reversal of 52120216 is 61202125.

It is an interprime number because it is at equal distance from previous prime (52120213) and next prime (52120219).

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 52120193 and 52120202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52120213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3257506 + ... + 3257521.

Almost surely, 2^52120216 is an apocalyptic number.

It is an amenable number.

52120216 is a deficient number, since it is larger than the sum of its proper divisors (45605204).

52120216 is a wasteful number, since it uses less digits than its factorization.

52120216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515033 (or 6515029 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 52120216 is about 7219.4332187506. The cubic root of 52120216 is about 373.5385273636.

The spelling of 52120216 in words is "fifty-two million, one hundred twenty thousand, two hundred sixteen".