54211351440 has 80 divisors (see below), whose sum is σ = 175361954688. Its totient is φ = 13827821568.

The previous prime is 54211351433. The next prime is 54211351451. The reversal of 54211351440 is 4415311245.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 54211351398 and 54211351407.

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, 4904929 + ... + 4915968.

Almost surely, 2^54211351440 is an apocalyptic number.

It is an amenable number.

54211351440 is an abundant number, since it is smaller than the sum of its proper divisors (121150603248).

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

54211351440 is a wasteful number, since it uses less digits than its factorization.

54211351440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9820936 (or 9820930 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 54211351440 its reverse (4415311245), we get a palindrome (58626662685).

The spelling of 54211351440 in words is "fifty-four billion, two hundred eleven million, three hundred fifty-one thousand, four hundred forty".