52156487 has 8 divisors (see below), whose sum is σ = 52740096. Its totient is φ = 51575832.

The previous prime is 52156451. The next prime is 52156523. The reversal of 52156487 is 78465125.

It is an interprime number because it is at equal distance from previous prime (52156451) and next prime (52156523).

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 52156487 - 2¹² = 52152391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52156487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52156087) 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, 58358 + ... + 59244.

It is an arithmetic number, because the mean of its divisors is an integer number (6592512).

Almost surely, 2^52156487 is an apocalyptic number.

52156487 is a deficient number, since it is larger than the sum of its proper divisors (583609).

52156487 is a wasteful number, since it uses less digits than its factorization.

52156487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477.

The product of its digits is 67200, while the sum is 38.

The square root of 52156487 is about 7221.9448211683. The cubic root of 52156487 is about 373.6251570523.

The spelling of 52156487 in words is "fifty-two million, one hundred fifty-six thousand, four hundred eighty-seven".