54511553444 has 24 divisors (see below), whose sum is σ = 98160211968. Its totient is φ = 26471741760.

The previous prime is 54511553441. The next prime is 54511553491. The reversal of 54511553444 is 44435511545.

It is a super-2 number, since 2×54511553444² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (54511553441) 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, 708692 + ... + 781835.

It is an arithmetic number, because the mean of its divisors is an integer number (4090008832).

Almost surely, 2^54511553444 is an apocalyptic number.

It is an amenable number.

54511553444 is a deficient number, since it is larger than the sum of its proper divisors (43648658524).

54511553444 is a wasteful number, since it uses less digits than its factorization.

54511553444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490795 (or 1490793 counting only the distinct ones).

The product of its digits is 480000, while the sum is 41.

The spelling of 54511553444 in words is "fifty-four billion, five hundred eleven million, five hundred fifty-three thousand, four hundred forty-four".