53489252979261 has 24 divisors (see below), whose sum is σ = 84292439268960. Its totient is φ = 32415289207200.

The previous prime is 53489252979221. The next prime is 53489252979301. The reversal of 53489252979261 is 16297925298435.

53489252979261 is a `hidden beast` number, since 5 + 3 + 4 + 8 + 9 + 2 + 529 + 7 + 92 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (53489252979221) and next prime (53489252979301).

It is not a de Polignac number, because 53489252979261 - 2¹⁰ = 53489252978237 is a prime.

It is a super-2 number, since 2×53489252979261² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53489252979261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53489252979221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19009806 + ... + 21641423.

It is an arithmetic number, because the mean of its divisors is an integer number (3512184969540).

Almost surely, 2^{53489252979261} is an apocalyptic number.

It is an amenable number.

53489252979261 is a deficient number, since it is larger than the sum of its proper divisors (30803186289699).

53489252979261 is a wasteful number, since it uses less digits than its factorization.

53489252979261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40664537 (or 40664534 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 72.

The spelling of 53489252979261 in words is "fifty-three trillion, four hundred eighty-nine billion, two hundred fifty-two million, nine hundred seventy-nine thousand, two hundred sixty-one".