51434922 has 96 divisors (see below), whose sum is σ = 134064000. Its totient is φ = 12862080.

The previous prime is 51434909. The next prime is 51434941. The reversal of 51434922 is 22943415.

It is a super-2 number, since 2×51434922² = 5291102402292168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51434922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147204 + ... + 147552.

It is an arithmetic number, because the mean of its divisors is an integer number (1396500).

Almost surely, 2^51434922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51434922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67032000).

51434922 is an abundant number, since it is smaller than the sum of its proper divisors (82629078).

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

51434922 is a wasteful number, since it uses less digits than its factorization.

51434922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 401 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 51434922 is about 7171.8144147768. The cubic root of 51434922 is about 371.8941628616.

The spelling of 51434922 in words is "fifty-one million, four hundred thirty-four thousand, nine hundred twenty-two".