55249707084 has 96 divisors (see below), whose sum is σ = 151566455040. Its totient is φ = 15442963200.

The previous prime is 55249707041. The next prime is 55249707091. The reversal of 55249707084 is 48070794255.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2440899 + ... + 2463429.

It is an arithmetic number, because the mean of its divisors is an integer number (1578817240).

Almost surely, 2^55249707084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55249707084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75783227520).

55249707084 is an abundant number, since it is smaller than the sum of its proper divisors (96316747956).

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

55249707084 is a wasteful number, since it uses less digits than its factorization.

55249707084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23991 (or 23989 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 55249707084 in words is "fifty-five billion, two hundred forty-nine million, seven hundred seven thousand, eighty-four".