52052801078 has 4 divisors (see below), whose sum is σ = 78079201620. Its totient is φ = 26026400538.

The previous prime is 52052801077. The next prime is 52052801083. The reversal of 52052801078 is 87010825025.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52052801077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13013200268 + ... + 13013200271.

It is an arithmetic number, because the mean of its divisors is an integer number (19519800405).

Almost surely, 2^52052801078 is an apocalyptic number.

52052801078 is a deficient number, since it is larger than the sum of its proper divisors (26026400542).

52052801078 is a wasteful number, since it uses less digits than its factorization.

52052801078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26026400541.

The product of its (nonzero) digits is 44800, while the sum is 38.

The spelling of 52052801078 in words is "fifty-two billion, fifty-two million, eight hundred one thousand, seventy-eight".