54501331440 has 40 divisors (see below), whose sum is σ = 168954128208. Its totient is φ = 14533688320.

The previous prime is 54501331429. The next prime is 54501331463. The reversal of 54501331440 is 4413310545.

It is a tau number, because it is divible by the number of its divisors (40).

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 = 54501331398 and 54501331407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113544201 + ... + 113544680.

Almost surely, 2^54501331440 is an apocalyptic number.

It is an amenable number.

54501331440 is an abundant number, since it is smaller than the sum of its proper divisors (114452796768).

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

54501331440 is a wasteful number, since it uses less digits than its factorization.

54501331440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227088897 (or 227088891 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 54501331440 its reverse (4413310545), we get a palindrome (58914641985).

The spelling of 54501331440 in words is "fifty-four billion, five hundred one million, three hundred thirty-one thousand, four hundred forty".