52878602691061 has 32 divisors (see below), whose sum is σ = 63622157875200. Its totient is φ = 42992181872640.

The previous prime is 52878602691043. The next prime is 52878602691107. The reversal of 52878602691061 is 16019620687825.

It is not a de Polignac number, because 52878602691061 - 2²³ = 52878594302453 is a prime.

It is a super-2 number, since 2×52878602691061² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52878602691041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9326145 + ... + 13882873.

It is an arithmetic number, because the mean of its divisors is an integer number (1988192433600).

Almost surely, 2^{52878602691061} is an apocalyptic number.

It is an amenable number.

52878602691061 is a deficient number, since it is larger than the sum of its proper divisors (10743555184139).

52878602691061 is a wasteful number, since it uses less digits than its factorization.

52878602691061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557829.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 52878602691061 in words is "fifty-two trillion, eight hundred seventy-eight billion, six hundred two million, six hundred ninety-one thousand, sixty-one".