55044477000 has 96 divisors (see below), whose sum is σ = 186050362680. Its totient is φ = 14678524800.

The previous prime is 55044476917. The next prime is 55044477011. The reversal of 55044477000 is 77444055.

It can be written as a sum of positive squares in 4 ways, for example, as 36834054084 + 18210422916 = 191922^2 + 134946^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3049027 + ... + 3067026.

Almost surely, 2^55044477000 is an apocalyptic number.

55044477000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55044477000 is an abundant number, since it is smaller than the sum of its proper divisors (131005885680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55044477000 is a wasteful number, since it uses less digits than its factorization.

55044477000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116080 (or 6116063 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The spelling of 55044477000 in words is "fifty-five billion, forty-four million, four hundred seventy-seven thousand".