54155570 has 32 divisors (see below), whose sum is σ = 116252928. Its totient is φ = 17759808.

The previous prime is 54155539. The next prime is 54155579. The reversal of 54155570 is 7555145.

54155570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54155579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15209 + ... + 18428.

It is an arithmetic number, because the mean of its divisors is an integer number (3632904).

Almost surely, 2^54155570 is an apocalyptic number.

54155570 is an abundant number, since it is smaller than the sum of its proper divisors (62097358).

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

54155570 is a wasteful number, since it uses less digits than its factorization.

54155570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33674.

The product of its (nonzero) digits is 17500, while the sum is 32.

The square root of 54155570 is about 7359.0468132768. The cubic root of 54155570 is about 378.3389408800.

The spelling of 54155570 in words is "fifty-four million, one hundred fifty-five thousand, five hundred seventy".