53447240379 has 8 divisors (see below), whose sum is σ = 76744755472. Its totient is φ = 32890609440.

The previous prime is 53447240377. The next prime is 53447240383. The reversal of 53447240379 is 97304274435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53447240379 - 2¹ = 53447240377 is a prime.

It is a super-3 number, since 3×53447240379³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53447240377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685220992 + ... + 685221069.

It is an arithmetic number, because the mean of its divisors is an integer number (9593094434).

Almost surely, 2^53447240379 is an apocalyptic number.

53447240379 is a deficient number, since it is larger than the sum of its proper divisors (23297515093).

53447240379 is a wasteful number, since it uses less digits than its factorization.

53447240379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370442077.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 53447240379 in words is "fifty-three billion, four hundred forty-seven million, two hundred forty thousand, three hundred seventy-nine".