54969000881 has 8 divisors (see below), whose sum is σ = 57246129000. Its totient is φ = 52717315840.

The previous prime is 54969000839. The next prime is 54969000923. The reversal of 54969000881 is 18800096945.

54969000881 = 165784² + 165785².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54969000839) and next prime (54969000923).

It can be written as a sum of positive squares in 4 ways, for example, as 32672656 + 54936328225 = 5716^2 + 234385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54969000881 is a prime.

It is a super-2 number, since 2×54969000881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54969000181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6356360 + ... + 6365001.

It is an arithmetic number, because the mean of its divisors is an integer number (7155766125).

Almost surely, 2^54969000881 is an apocalyptic number.

54969000881 is the 165785-th centered square number.

It is an amenable number.

54969000881 is a deficient number, since it is larger than the sum of its proper divisors (2277128119).

54969000881 is a wasteful number, since it uses less digits than its factorization.

54969000881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12721539.

The product of its (nonzero) digits is 622080, while the sum is 50.

The spelling of 54969000881 in words is "fifty-four billion, nine hundred sixty-nine million, eight hundred eighty-one", and thus it is an aban number.