55001052881 has 2 divisors, whose sum is σ = 55001052882. Its totient is φ = 55001052880.

The previous prime is 55001052877. The next prime is 55001052941. The reversal of 55001052881 is 18825010055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44058010000 + 10943042881 = 209900^2 + 104609^2 .

It is a cyclic number.

It is not a de Polignac number, because 55001052881 - 2² = 55001052877 is a prime.

It is a super-2 number, since 2×55001052881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55001052871) 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 as a sum of consecutive naturals, namely, 27500526440 + 27500526441.

It is an arithmetic number, because the mean of its divisors is an integer number (27500526441).

Almost surely, 2^55001052881 is an apocalyptic number.

It is an amenable number.

55001052881 is a deficient number, since it is larger than the sum of its proper divisors (1).

55001052881 is an equidigital number, since it uses as much as digits as its factorization.

55001052881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16000, while the sum is 35.

The spelling of 55001052881 in words is "fifty-five billion, one million, fifty-two thousand, eight hundred eighty-one".