55489926970 has 8 divisors (see below), whose sum is σ = 99881868564. Its totient is φ = 22195970784.

The previous prime is 55489926959. The next prime is 55489926977. The reversal of 55489926970 is 7962998455.

It is a Cunningham number, because it is equal to 235563²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 55489926969 + 1 = 235563^2 + 1^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55489926977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2774496339 + ... + 2774496358.

Almost surely, 2^55489926970 is an apocalyptic number.

55489926970 is a deficient number, since it is larger than the sum of its proper divisors (44391941594).

55489926970 is a wasteful number, since it uses less digits than its factorization.

55489926970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548992704.

The product of its (nonzero) digits is 48988800, while the sum is 64.

The spelling of 55489926970 in words is "fifty-five billion, four hundred eighty-nine million, nine hundred twenty-six thousand, nine hundred seventy".