55223502353724 has 48 divisors (see below), whose sum is σ = 129286330467840. Its totient is φ = 18346208178240.

The previous prime is 55223502353693. The next prime is 55223502353783. The reversal of 55223502353724 is 42735320532255.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27231402 + ... + 29188974.

It is an arithmetic number, because the mean of its divisors is an integer number (2693465218080).

Almost surely, 2^{55223502353724} is an apocalyptic number.

It is an amenable number.

55223502353724 is an abundant number, since it is smaller than the sum of its proper divisors (74062828114116).

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

55223502353724 is a wasteful number, since it uses less digits than its factorization.

55223502353724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965450 (or 1965448 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 48.

Adding to 55223502353724 its reverse (42735320532255), we get a palindrome (97958822885979).

The spelling of 55223502353724 in words is "fifty-five trillion, two hundred twenty-three billion, five hundred two million, three hundred fifty-three thousand, seven hundred twenty-four".