4273245455550 has 48 divisors (see below), whose sum is σ = 10597904570160. Its totient is φ = 1139504611840.

The previous prime is 4273245455537. The next prime is 4273245455551. The reversal of 4273245455550 is 555545423724.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4273245455493 and 4273245455502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4273245455551) 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, 6319216 + ... + 6962684.

It is an arithmetic number, because the mean of its divisors is an integer number (220789678545).

Almost surely, 2^{4273245455550} is an apocalyptic number.

4273245455550 is an abundant number, since it is smaller than the sum of its proper divisors (6324659114610).

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

4273245455550 is a wasteful number, since it uses less digits than its factorization.

4273245455550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687757 (or 687752 counting only the distinct ones).

The product of its (nonzero) digits is 16800000, while the sum is 51.

The spelling of 4273245455550 in words is "four trillion, two hundred seventy-three billion, two hundred forty-five million, four hundred fifty-five thousand, five hundred fifty".