51877516 has 18 divisors (see below), whose sum is σ = 91585508. Its totient is φ = 25712160.

The previous prime is 51877481. The next prime is 51877517. The reversal of 51877516 is 61577815.

51877516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51877517) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 74731 + ... + 75421.

Almost surely, 2^51877516 is an apocalyptic number.

It is an amenable number.

51877516 is a deficient number, since it is larger than the sum of its proper divisors (39707992).

51877516 is a wasteful number, since it uses less digits than its factorization.

51877516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 830 counting only the distinct ones).

The product of its digits is 58800, while the sum is 40.

The square root of 51877516 is about 7202.6048065960. The cubic root of 51877516 is about 372.9578257343.

The spelling of 51877516 in words is "fifty-one million, eight hundred seventy-seven thousand, five hundred sixteen".