55503344452232 has 32 divisors (see below), whose sum is σ = 105410401574400. Its totient is φ = 27394066063104.

The previous prime is 55503344452219. The next prime is 55503344452279. The reversal of 55503344452232 is 23225444330555.

It is a super-2 number, since 2×55503344452232² (a number of 28 digits) contains 22 as substring.

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, 7383728 + ... + 12865695.

It is an arithmetic number, because the mean of its divisors is an integer number (3294075049200).

Almost surely, 2^{55503344452232} is an apocalyptic number.

It is an amenable number.

55503344452232 is a deficient number, since it is larger than the sum of its proper divisors (49907057122168).

55503344452232 is a wasteful number, since it uses less digits than its factorization.

55503344452232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20253845 (or 20253841 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 47.

Adding to 55503344452232 its reverse (23225444330555), we get a palindrome (78728788782787).

The spelling of 55503344452232 in words is "fifty-five trillion, five hundred three billion, three hundred forty-four million, four hundred fifty-two thousand, two hundred thirty-two".