55501551145304 has 64 divisors (see below), whose sum is σ = 113976615110400. Its totient is φ = 25128002908800.

The previous prime is 55501551145301. The next prime is 55501551145343. The reversal of 55501551145304 is 40354115510555.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55501551145301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22991237 + ... + 25290315.

It is an arithmetic number, because the mean of its divisors is an integer number (1780884611100).

Almost surely, 2^{55501551145304} is an apocalyptic number.

It is an amenable number.

55501551145304 is an abundant number, since it is smaller than the sum of its proper divisors (58475063965096).

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

55501551145304 is a wasteful number, since it uses less digits than its factorization.

55501551145304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300184 (or 2300180 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 44.

Adding to 55501551145304 its reverse (40354115510555), we get a palindrome (95855666655859).

The spelling of 55501551145304 in words is "fifty-five trillion, five hundred one billion, five hundred fifty-one million, one hundred forty-five thousand, three hundred four".