52487930 has 16 divisors (see below), whose sum is σ = 103067424. Its totient is φ = 19086480.

The previous prime is 52487921. The next prime is 52487947. The reversal of 52487930 is 3978425.

It is a super-3 number, since 3×52487930³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238472 + ... + 238691.

It is an arithmetic number, because the mean of its divisors is an integer number (6441714).

Almost surely, 2^52487930 is an apocalyptic number.

52487930 is a deficient number, since it is larger than the sum of its proper divisors (50579494).

52487930 is a wasteful number, since it uses less digits than its factorization.

52487930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477181.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 52487930 is about 7244.8554160866. The cubic root of 52487930 is about 374.4149217045.

The spelling of 52487930 in words is "fifty-two million, four hundred eighty-seven thousand, nine hundred thirty".