51426735 has 24 divisors (see below), whose sum is σ = 86029104. Its totient is φ = 26231040.

The previous prime is 51426731. The next prime is 51426761. The reversal of 51426735 is 53762415.

It is not a de Polignac number, because 51426735 - 2² = 51426731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51426696 and 51426705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51426731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4695 + ... + 11175.

It is an arithmetic number, because the mean of its divisors is an integer number (3584546).

Almost surely, 2^51426735 is an apocalyptic number.

51426735 is a deficient number, since it is larger than the sum of its proper divisors (34602369).

51426735 is a wasteful number, since it uses less digits than its factorization.

51426735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6535 (or 6512 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 51426735 is about 7171.2436159986. The cubic root of 51426735 is about 371.8744301006.

The spelling of 51426735 in words is "fifty-one million, four hundred twenty-six thousand, seven hundred thirty-five".