52780376531 has 8 divisors (see below), whose sum is σ = 55467499824. Its totient is φ = 50159602080.

The previous prime is 52780376503. The next prime is 52780376549. The reversal of 52780376531 is 13567308725.

52780376531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52780376531 - 2¹⁴ = 52780360147 is a prime.

It is a super-2 number, since 2×52780376531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52780376591) 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, 16585580 + ... + 16588761.

It is an arithmetic number, because the mean of its divisors is an integer number (6933437478).

Almost surely, 2^52780376531 is an apocalyptic number.

52780376531 is a deficient number, since it is larger than the sum of its proper divisors (2687123293).

52780376531 is a wasteful number, since it uses less digits than its factorization.

52780376531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33174421.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 52780376531 in words is "fifty-two billion, seven hundred eighty million, three hundred seventy-six thousand, five hundred thirty-one".