55522004312 has 32 divisors (see below), whose sum is σ = 106264716480. Its totient is φ = 27188655360.

The previous prime is 55522004303. The next prime is 55522004341. The reversal of 55522004312 is 21340022555.

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, 130448 + ... + 357855.

It is an arithmetic number, because the mean of its divisors is an integer number (3320772390).

Almost surely, 2^55522004312 is an apocalyptic number.

It is an amenable number.

55522004312 is a deficient number, since it is larger than the sum of its proper divisors (50742712168).

55522004312 is a wasteful number, since it uses less digits than its factorization.

55522004312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488603 (or 488599 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 55522004312 its reverse (21340022555), we get a palindrome (76862026867).

The spelling of 55522004312 in words is "fifty-five billion, five hundred twenty-two million, four thousand, three hundred twelve".