54721426 has 8 divisors (see below), whose sum is σ = 82266300. Its totient is φ = 27299328.

The previous prime is 54721423. The next prime is 54721427. The reversal of 54721426 is 62412745.

It can be written as a sum of positive squares in 2 ways, for example, as 53509225 + 1212201 = 7315^2 + 1101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (54721421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29571 + ... + 31366.

Almost surely, 2^54721426 is an apocalyptic number.

54721426 is a deficient number, since it is larger than the sum of its proper divisors (27544874).

54721426 is a wasteful number, since it uses less digits than its factorization.

54721426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61388.

The product of its digits is 13440, while the sum is 31.

The square root of 54721426 is about 7397.3931894959. The cubic root of 54721426 is about 379.6520961677.

The spelling of 54721426 in words is "fifty-four million, seven hundred twenty-one thousand, four hundred twenty-six".