51969044 has 48 divisors (see below), whose sum is σ = 97977600. Its totient is φ = 24076416.

The previous prime is 51968993. The next prime is 51969059. The reversal of 51969044 is 44096915.

It is a junction number, because it is equal to n+sod(n) for n = 51968989 and 51969007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485639 + ... + 485745.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 2^51969044 is an apocalyptic number.

It is an amenable number.

51969044 is a deficient number, since it is larger than the sum of its proper divisors (46008556).

51969044 is a wasteful number, since it uses less digits than its factorization.

51969044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 51969044 is about 7208.9558189796. The cubic root of 51969044 is about 373.1770345593.

The spelling of 51969044 in words is "fifty-one million, nine hundred sixty-nine thousand, forty-four".