52156077 has 4 divisors (see below), whose sum is σ = 69541440. Its totient is φ = 34770716.

The previous prime is 52156073. The next prime is 52156079. The reversal of 52156077 is 77065125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52156077 - 2² = 52156073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52156073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8692677 + ... + 8692682.

It is an arithmetic number, because the mean of its divisors is an integer number (17385360).

Almost surely, 2^52156077 is an apocalyptic number.

It is an amenable number.

52156077 is a deficient number, since it is larger than the sum of its proper divisors (17385363).

52156077 is a wasteful number, since it uses less digits than its factorization.

52156077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17385362.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 52156077 is about 7221.9164354069. The cubic root of 52156077 is about 373.6241780324.

The spelling of 52156077 in words is "fifty-two million, one hundred fifty-six thousand, seventy-seven".