53447240380 has 24 divisors (see below), whose sum is σ = 117119171232. Its totient is φ = 20449378752.

The previous prime is 53447240377. The next prime is 53447240383. The reversal of 53447240380 is 8304274435.

It is a happy number.

53447240380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53447240377) and next prime (53447240383).

It is a super-3 number, since 3×53447240380³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53447240383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58094367 + ... + 58095286.

It is an arithmetic number, because the mean of its divisors is an integer number (4879965468).

Almost surely, 2^53447240380 is an apocalyptic number.

It is an amenable number.

53447240380 is an abundant number, since it is smaller than the sum of its proper divisors (63671930852).

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

53447240380 is a wasteful number, since it uses less digits than its factorization.

53447240380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116189685 (or 116189683 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 53447240380 in words is "fifty-three billion, four hundred forty-seven million, two hundred forty thousand, three hundred eighty".