55214541132520 has 64 divisors (see below), whose sum is σ = 154887543964800. Its totient is φ = 17209727105280.

The previous prime is 55214541132497. The next prime is 55214541132533. The reversal of 55214541132520 is 2523114541255.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 8963396455 + ... + 8963402614.

It is an arithmetic number, because the mean of its divisors is an integer number (2420117874450).

Almost surely, 2^{55214541132520} is an apocalyptic number.

It is an amenable number.

55214541132520 is an abundant number, since it is smaller than the sum of its proper divisors (99673002832280).

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

55214541132520 is a wasteful number, since it uses less digits than its factorization.

55214541132520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17926799098 (or 17926799094 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 55214541132520 its reverse (2523114541255), we get a palindrome (57737655673775).

The spelling of 55214541132520 in words is "fifty-five trillion, two hundred fourteen billion, five hundred forty-one million, one hundred thirty-two thousand, five hundred twenty".