55531452905 has 8 divisors (see below), whose sum is σ = 66659531784. Its totient is φ = 44410636800.

The previous prime is 55531452871. The next prime is 55531452917. The reversal of 55531452905 is 50925413555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4033774144 + 51497678761 = 63512^2 + 226931^2 .

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

It is not a de Polignac number, because 55531452905 - 2⁶ = 55531452841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1798856 + ... + 1829465.

It is an arithmetic number, because the mean of its divisors is an integer number (8332441473).

Almost surely, 2^55531452905 is an apocalyptic number.

It is an amenable number.

55531452905 is a deficient number, since it is larger than the sum of its proper divisors (11128078879).

55531452905 is a wasteful number, since it uses less digits than its factorization.

55531452905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631387.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 55531452905 in words is "fifty-five billion, five hundred thirty-one million, four hundred fifty-two thousand, nine hundred five".