51542426 has 8 divisors (see below), whose sum is σ = 83260884. Its totient is φ = 23788800.

The previous prime is 51542411. The next prime is 51542437. The reversal of 51542426 is 62424515.

51542426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51051025 + 491401 = 7145^2 + 701^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991175 + ... + 991226.

Almost surely, 2^51542426 is an apocalyptic number.

51542426 is a deficient number, since it is larger than the sum of its proper divisors (31718458).

51542426 is a wasteful number, since it uses less digits than its factorization.

51542426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982416.

The product of its digits is 9600, while the sum is 29.

The square root of 51542426 is about 7179.3053981566. The cubic root of 51542426 is about 372.1530809061.

The spelling of 51542426 in words is "fifty-one million, five hundred forty-two thousand, four hundred twenty-six".