53549061981059 has 8 divisors (see below), whose sum is σ = 56085004311840. Its totient is φ = 51030429837376.

The previous prime is 53549061981043. The next prime is 53549061981061. The reversal of 53549061981059 is 95018916094535.

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 53549061981059 - 2⁴ = 53549061981043 is a prime.

It is a super-2 number, since 2×53549061981059² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53549061980986 and 53549061981004.

It is not an unprimeable number, because it can be changed into a prime (53549061981559) 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, 4327540442 + ... + 4327552815.

It is an arithmetic number, because the mean of its divisors is an integer number (7010625538980).

Almost surely, 2^{53549061981059} is an apocalyptic number.

53549061981059 is a deficient number, since it is larger than the sum of its proper divisors (2535942330781).

53549061981059 is a wasteful number, since it uses less digits than its factorization.

53549061981059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8655093549.

The product of its (nonzero) digits is 52488000, while the sum is 65.

The spelling of 53549061981059 in words is "fifty-three trillion, five hundred forty-nine billion, sixty-one million, nine hundred eighty-one thousand, fifty-nine".