52127690 has 8 divisors (see below), whose sum is σ = 93829860. Its totient is φ = 20851072.

The previous prime is 52127657. The next prime is 52127701. The reversal of 52127690 is 9672125.

It can be written as a sum of positive squares in 2 ways, for example, as 51652969 + 474721 = 7187^2 + 689^2 .

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

It is a super-2 number, since 2×52127690² = 5434592129472200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2606375 + ... + 2606394.

Almost surely, 2^52127690 is an apocalyptic number.

52127690 is a deficient number, since it is larger than the sum of its proper divisors (41702170).

52127690 is a wasteful number, since it uses less digits than its factorization.

52127690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212776.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 52127690 is about 7219.9508308575. The cubic root of 52127690 is about 373.5563815587.

The spelling of 52127690 in words is "fifty-two million, one hundred twenty-seven thousand, six hundred ninety".