54159545 has 16 divisors (see below), whose sum is σ = 71098560. Its totient is φ = 39278400.

The previous prime is 54159541. The next prime is 54159577. The reversal of 54159545 is 54595145.

It is not a de Polignac number, because 54159545 - 2² = 54159541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54159499 and 54159508.

It is not an unprimeable number, because it can be changed into a prime (54159541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21986 + ... + 24324.

It is an arithmetic number, because the mean of its divisors is an integer number (4443660).

Almost surely, 2^54159545 is an apocalyptic number.

54159545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54159545 is a deficient number, since it is larger than the sum of its proper divisors (16939015).

54159545 is a wasteful number, since it uses less digits than its factorization.

54159545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776.

The product of its digits is 90000, while the sum is 38.

The square root of 54159545 is about 7359.3168840593. The cubic root of 54159545 is about 378.3481973024.

Subtracting 54159545 from its reverse (54595145), we obtain a square (435600 = 660²).

The spelling of 54159545 in words is "fifty-four million, one hundred fifty-nine thousand, five hundred forty-five".