51544468 has 12 divisors (see below), whose sum is σ = 91046592. Its totient is φ = 25531160.

The previous prime is 51544463. The next prime is 51544483. The reversal of 51544468 is 86444515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51544463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59788 + ... + 60643.

It is an arithmetic number, because the mean of its divisors is an integer number (7587216).

Almost surely, 2^51544468 is an apocalyptic number.

It is an amenable number.

51544468 is a deficient number, since it is larger than the sum of its proper divisors (39502124).

51544468 is a wasteful number, since it uses less digits than its factorization.

51544468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120542 (or 120540 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 51544468 is about 7179.4476110631. The cubic root of 51544468 is about 372.1579954759.

The spelling of 51544468 in words is "fifty-one million, five hundred forty-four thousand, four hundred sixty-eight".