54051430440 has 64 divisors (see below), whose sum is σ = 185319192960. Its totient is φ = 12354612480.

The previous prime is 54051430361. The next prime is 54051430457. The reversal of 54051430440 is 4403415045.

It is a super-2 number, since 2×54051430440² (a number of 22 digits) contains 22 as substring.

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 = 54051430398 and 54051430407.

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, 32172631 + ... + 32174310.

It is an arithmetic number, because the mean of its divisors is an integer number (2895612390).

Almost surely, 2^54051430440 is an apocalyptic number.

It is an amenable number.

54051430440 is an abundant number, since it is smaller than the sum of its proper divisors (131267762520).

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

54051430440 is a wasteful number, since it uses less digits than its factorization.

54051430440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64346962 (or 64346958 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 54051430440 its reverse (4403415045), we get a palindrome (58454845485).

The spelling of 54051430440 in words is "fifty-four billion, fifty-one million, four hundred thirty thousand, four hundred forty".