55003453405502 has 16 divisors (see below), whose sum is σ = 94292113090560. Its totient is φ = 23572788932088.

The previous prime is 55003453405469. The next prime is 55003453405531. The reversal of 55003453405502 is 20550435430055.

It is a super-2 number, since 2×55003453405502² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55003453405502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7087502 + ... + 12658577.

It is an arithmetic number, because the mean of its divisors is an integer number (5893257068160).

Almost surely, 2^{55003453405502} is an apocalyptic number.

55003453405502 is a deficient number, since it is larger than the sum of its proper divisors (39288659685058).

55003453405502 is a wasteful number, since it uses less digits than its factorization.

55003453405502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19945055.

The product of its (nonzero) digits is 900000, while the sum is 41.

Adding to 55003453405502 its reverse (20550435430055), we get a palindrome (75553888835557).

The spelling of 55003453405502 in words is "fifty-five trillion, three billion, four hundred fifty-three million, four hundred five thousand, five hundred two".