54443155 has 32 divisors (see below), whose sum is σ = 73156608. Its totient is φ = 38640000.

The previous prime is 54443119. The next prime is 54443159. The reversal of 54443155 is 55134445.

It is a happy number.

It is not a de Polignac number, because 54443155 - 2⁹ = 54442643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54443159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216780 + ... + 217030.

It is an arithmetic number, because the mean of its divisors is an integer number (2286144).

Almost surely, 2^54443155 is an apocalyptic number.

54443155 is a deficient number, since it is larger than the sum of its proper divisors (18713453).

54443155 is a wasteful number, since it uses less digits than its factorization.

54443155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387.

The product of its digits is 24000, while the sum is 31.

The square root of 54443155 is about 7378.5604964654. The cubic root of 54443155 is about 379.0074629033.

The spelling of 54443155 in words is "fifty-four million, four hundred forty-three thousand, one hundred fifty-five".