51434860 has 24 divisors (see below), whose sum is σ = 114367680. Its totient is φ = 19363584.

The previous prime is 51434849. The next prime is 51434861. The reversal of 51434860 is 6843415.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51434861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75300 + ... + 75979.

It is an arithmetic number, because the mean of its divisors is an integer number (4765320).

Almost surely, 2^51434860 is an apocalyptic number.

It is an amenable number.

51434860 is an abundant number, since it is smaller than the sum of its proper divisors (62932820).

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

51434860 is a wasteful number, since it uses less digits than its factorization.

51434860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151305 (or 151303 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 51434860 is about 7171.8100922989. The cubic root of 51434860 is about 371.8940134336.

The spelling of 51434860 in words is "fifty-one million, four hundred thirty-four thousand, eight hundred sixty".