52678077 has 4 divisors (see below), whose sum is σ = 70237440. Its totient is φ = 35118716.

The previous prime is 52678063. The next prime is 52678141. The reversal of 52678077 is 77087625.

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 52678077 - 2¹⁵ = 52645309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52678057) 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, 8779677 + ... + 8779682.

It is an arithmetic number, because the mean of its divisors is an integer number (17559360).

Almost surely, 2^52678077 is an apocalyptic number.

It is an amenable number.

52678077 is a deficient number, since it is larger than the sum of its proper divisors (17559363).

52678077 is a wasteful number, since it uses less digits than its factorization.

52678077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17559362.

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 52678077 is about 7257.9664507354. The cubic root of 52678077 is about 374.8665053724.

The spelling of 52678077 in words is "fifty-two million, six hundred seventy-eight thousand, seventy-seven".