54515520890 has 32 divisors (see below), whose sum is σ = 102091014144. Its totient is φ = 20936603520.

The previous prime is 54515520889. The next prime is 54515520931. The reversal of 54515520890 is 9802551545.

54515520890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 652979 + ... + 731718.

It is an arithmetic number, because the mean of its divisors is an integer number (3190344192).

Almost surely, 2^54515520890 is an apocalyptic number.

54515520890 is a deficient number, since it is larger than the sum of its proper divisors (47575493254).

54515520890 is a wasteful number, since it uses less digits than its factorization.

54515520890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384862.

The product of its (nonzero) digits is 360000, while the sum is 44.

The spelling of 54515520890 in words is "fifty-four billion, five hundred fifteen million, five hundred twenty thousand, eight hundred ninety".