54125643 has 32 divisors (see below), whose sum is σ = 86026752. Its totient is φ = 29836800.

The previous prime is 54125641. The next prime is 54125651. The reversal of 54125643 is 34652145.

It is not a de Polignac number, because 54125643 - 2¹ = 54125641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54125643.

It is not an unprimeable number, because it can be changed into a prime (54125641) 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, 29571 + ... + 31347.

It is an arithmetic number, because the mean of its divisors is an integer number (2688336).

Almost surely, 2^54125643 is an apocalyptic number.

54125643 is a deficient number, since it is larger than the sum of its proper divisors (31901109).

54125643 is a wasteful number, since it uses less digits than its factorization.

54125643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875.

The product of its digits is 14400, while the sum is 30.

The square root of 54125643 is about 7357.0131847102. The cubic root of 54125643 is about 378.2692365339.

Adding to 54125643 its reverse (34652145), we get a palindrome (88777788).

The spelling of 54125643 in words is "fifty-four million, one hundred twenty-five thousand, six hundred forty-three".