52949631678 has 16 divisors (see below), whose sum is σ = 106661130240. Its totient is φ = 17522899416.

The previous prime is 52949631673. The next prime is 52949631727. The reversal of 52949631678 is 87613694925.

It is a super-2 number, since 2×52949631678² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52949631673) 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, 31743550 + ... + 31745217.

It is an arithmetic number, because the mean of its divisors is an integer number (6666320640).

Almost surely, 2^52949631678 is an apocalyptic number.

52949631678 is an abundant number, since it is smaller than the sum of its proper divisors (53711498562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52949631678 is a wasteful number, since it uses less digits than its factorization.

52949631678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63488911.

The product of its digits is 19595520, while the sum is 60.

The spelling of 52949631678 in words is "fifty-two billion, nine hundred forty-nine million, six hundred thirty-one thousand, six hundred seventy-eight".