55748429520 has 160 divisors (see below), whose sum is σ = 199355240448. Its totient is φ = 12623368704.

The previous prime is 55748429497. The next prime is 55748429543. The reversal of 55748429520 is 2592484755.

It is an interprime number because it is at equal distance from previous prime (55748429497) and next prime (55748429543).

It is a congruent 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, 24697 + ... + 334823.

Almost surely, 2^55748429520 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 55748429520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99677620224).

55748429520 is an abundant number, since it is smaller than the sum of its proper divisors (143606810928).

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

55748429520 is a wasteful number, since it uses less digits than its factorization.

55748429520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310257 (or 310251 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 55748429520 in words is "fifty-five billion, seven hundred forty-eight million, four hundred twenty-nine thousand, five hundred twenty".