51429126 has 24 divisors (see below), whose sum is σ = 119652120. Its totient is φ = 14693952.

The previous prime is 51429121. The next prime is 51429167. The reversal of 51429126 is 62192415.

It is a super-2 number, since 2×51429126² = 5289910002247752, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51429093 and 51429102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51429121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87171 + ... + 87758.

It is an arithmetic number, because the mean of its divisors is an integer number (4985505).

Almost surely, 2^51429126 is an apocalyptic number.

51429126 is an abundant number, since it is smaller than the sum of its proper divisors (68222994).

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

51429126 is a wasteful number, since it uses less digits than its factorization.

51429126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174948 (or 174941 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 51429126 is about 7171.4103215476. The cubic root of 51429126 is about 371.8801932377.

The spelling of 51429126 in words is "fifty-one million, four hundred twenty-nine thousand, one hundred twenty-six".