54426861 has 18 divisors (see below), whose sum is σ = 79500330. Its totient is φ = 35881056.

The previous prime is 54426839. The next prime is 54426871. The reversal of 54426861 is 16862445.

It can be written as a sum of positive squares in 3 ways, for example, as 26071236 + 28355625 = 5106^2 + 5325^2 .

It is not a de Polignac number, because 54426861 - 2¹¹ = 54424813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54426871) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 106675 + ... + 107183.

It is an arithmetic number, because the mean of its divisors is an integer number (4416685).

Almost surely, 2^54426861 is an apocalyptic number.

It is an amenable number.

54426861 is a deficient number, since it is larger than the sum of its proper divisors (25073469).

54426861 is a wasteful number, since it uses less digits than its factorization.

54426861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 621 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 54426861 is about 7377.4562689317. The cubic root of 54426861 is about 378.9696487600.

The spelling of 54426861 in words is "fifty-four million, four hundred twenty-six thousand, eight hundred sixty-one".