55345704632240 has 40 divisors (see below), whose sum is σ = 140376832660368. Its totient is φ = 20125710775040.

The previous prime is 55345704632213. The next prime is 55345704632249. The reversal of 55345704632240 is 4223640754355.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (55345704632249) 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, 31446422207 + ... + 31446423966.

Almost surely, 2^{55345704632240} is an apocalyptic number.

It is an amenable number.

55345704632240 is an abundant number, since it is smaller than the sum of its proper divisors (85031128028128).

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

55345704632240 is a wasteful number, since it uses less digits than its factorization.

55345704632240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62892846197 (or 62892846191 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 50.

The spelling of 55345704632240 in words is "fifty-five trillion, three hundred forty-five billion, seven hundred four million, six hundred thirty-two thousand, two hundred forty".