51426534 has 8 divisors (see below), whose sum is σ = 102853080. Its totient is φ = 17142176.

The previous prime is 51426533. The next prime is 51426553. The reversal of 51426534 is 43562415.

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

51426534 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51426533) 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, 4285539 + ... + 4285550.

It is an arithmetic number, because the mean of its divisors is an integer number (12856635).

Almost surely, 2^51426534 is an apocalyptic number.

51426534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51426534 is a wasteful number, since it uses less digits than its factorization.

51426534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8571094.

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

The square root of 51426534 is about 7171.2296016792. The cubic root of 51426534 is about 371.8739456129.

Adding to 51426534 its reverse (43562415), we get a palindrome (94988949).

The spelling of 51426534 in words is "fifty-one million, four hundred twenty-six thousand, five hundred thirty-four".