55647266040 has 96 divisors (see below), whose sum is σ = 181526248800. Its totient is φ = 14784080640.

The previous prime is 55647266033. The next prime is 55647266041. The reversal of 55647266040 is 4066274655.

55647266040 is a `hidden beast` number, since 5 + 564 + 7 + 26 + 60 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55647266041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190476 + ... + 384155.

It is an arithmetic number, because the mean of its divisors is an integer number (1890898425).

Almost surely, 2^55647266040 is an apocalyptic number.

It is an amenable number.

55647266040 is an abundant number, since it is smaller than the sum of its proper divisors (125878982760).

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

55647266040 is a wasteful number, since it uses less digits than its factorization.

55647266040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574917 (or 574910 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 55647266040 in words is "fifty-five billion, six hundred forty-seven million, two hundred sixty-six thousand, forty".