51877860 has 24 divisors (see below), whose sum is σ = 145258176. Its totient is φ = 13834080.

The previous prime is 51877853. The next prime is 51877867. The reversal of 51877860 is 6877815.

It is an interprime number because it is at equal distance from previous prime (51877853) and next prime (51877867).

It is not an unprimeable number, because it can be changed into a prime (51877867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432256 + ... + 432375.

It is an arithmetic number, because the mean of its divisors is an integer number (6052424).

Almost surely, 2^51877860 is an apocalyptic number.

It is an amenable number.

51877860 is an abundant number, since it is smaller than the sum of its proper divisors (93380316).

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

51877860 is a wasteful number, since it uses less digits than its factorization.

51877860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864643 (or 864641 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 51877860 is about 7202.6286868059. The cubic root of 51877860 is about 372.9586500940.

The spelling of 51877860 in words is "fifty-one million, eight hundred seventy-seven thousand, eight hundred sixty".