55548433240 has 32 divisors (see below), whose sum is σ = 125361599760. Its totient is φ = 22152240000.

The previous prime is 55548433223. The next prime is 55548433243. The reversal of 55548433240 is 4233484555.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55548433243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2084511 + ... + 2110990.

Almost surely, 2^55548433240 is an apocalyptic number.

It is an amenable number.

55548433240 is an abundant number, since it is smaller than the sum of its proper divisors (69813166520).

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

55548433240 is a wasteful number, since it uses less digits than its factorization.

55548433240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195843 (or 4195839 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 55548433240 in words is "fifty-five billion, five hundred forty-eight million, four hundred thirty-three thousand, two hundred forty".