51880842 has 24 divisors (see below), whose sum is σ = 121055844. Its totient is φ = 15963264.

The previous prime is 51880831. The next prime is 51880853. The reversal of 51880842 is 24808815.

51880842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51880831) and next prime (51880853).

It can be written as a sum of positive squares in 2 ways, for example, as 51108201 + 772641 = 7149^2 + 879^2 .

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 51880797 and 51880806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110623 + ... + 111090.

Almost surely, 2^51880842 is an apocalyptic number.

51880842 is an abundant number, since it is smaller than the sum of its proper divisors (69175002).

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

51880842 is a wasteful number, since it uses less digits than its factorization.

51880842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221734 (or 221731 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 51880842 is about 7202.8356915870. The cubic root of 51880842 is about 372.9657959901.

The spelling of 51880842 in words is "fifty-one million, eight hundred eighty thousand, eight hundred forty-two".