52977547953 has 24 divisors (see below), whose sum is σ = 84117043296. Its totient is φ = 31862500800.

The previous prime is 52977547921. The next prime is 52977547999. The reversal of 52977547953 is 35974577925.

52977547953 is a `hidden beast` number, since 5 + 2 + 97 + 75 + 479 + 5 + 3 = 666.

It is not a de Polignac number, because 52977547953 - 2⁵ = 52977547921 is a prime.

It is a super-2 number, since 2×52977547953² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52977557953) 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 in 23 ways as a sum of consecutive naturals, for example, 2029500 + ... + 2055437.

It is an arithmetic number, because the mean of its divisors is an integer number (3504876804).

Almost surely, 2^52977547953 is an apocalyptic number.

It is an amenable number.

52977547953 is a deficient number, since it is larger than the sum of its proper divisors (31139495343).

52977547953 is a wasteful number, since it uses less digits than its factorization.

52977547953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085085 (or 4085082 counting only the distinct ones).

The product of its digits is 83349000, while the sum is 63.

The spelling of 52977547953 in words is "fifty-two billion, nine hundred seventy-seven million, five hundred forty-seven thousand, nine hundred fifty-three".