54445170 has 64 divisors (see below), whose sum is σ = 141886080. Its totient is φ = 13291008.

The previous prime is 54445147. The next prime is 54445199. The reversal of 54445170 is 7154445.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52921 + ... + 53939.

It is an arithmetic number, because the mean of its divisors is an integer number (2216970).

Almost surely, 2^54445170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54445170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70943040).

54445170 is an abundant number, since it is smaller than the sum of its proper divisors (87440910).

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

54445170 is a wasteful number, since it uses less digits than its factorization.

54445170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 54445170 is about 7378.6970394508. The cubic root of 54445170 is about 379.0121386709.

It can be divided in two parts, 54445 and 170, that added together give a triangular number (54615 = T₃₃₀).

The spelling of 54445170 in words is "fifty-four million, four hundred forty-five thousand, one hundred seventy".