51829880 has 16 divisors (see below), whose sum is σ = 116617320. Its totient is φ = 20731936.

The previous prime is 51829849. The next prime is 51829937. The reversal of 51829880 is 8892815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647834 + ... + 647913.

Almost surely, 2^51829880 is an apocalyptic number.

It is an amenable number.

51829880 is an abundant number, since it is smaller than the sum of its proper divisors (64787440).

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

51829880 is a wasteful number, since it uses less digits than its factorization.

51829880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295758 (or 1295754 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 51829880 is about 7199.2971879205. The cubic root of 51829880 is about 372.8436358693.

The spelling of 51829880 in words is "fifty-one million, eight hundred twenty-nine thousand, eight hundred eighty".