51877412 has 12 divisors (see below), whose sum is σ = 90931596. Its totient is φ = 25896960.

The previous prime is 51877411. The next prime is 51877439. The reversal of 51877412 is 21477815.

It can be written as a sum of positive squares in 2 ways, for example, as 38142976 + 13734436 = 6176^2 + 3706^2 .

It is not an unprimeable number, because it can be changed into a prime (51877411) 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, 7553 + ... + 12680.

It is an arithmetic number, because the mean of its divisors is an integer number (7577633).

Almost surely, 2^51877412 is an apocalyptic number.

It is an amenable number.

51877412 is a deficient number, since it is larger than the sum of its proper divisors (39054184).

51877412 is a wasteful number, since it uses less digits than its factorization.

51877412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20878 (or 20876 counting only the distinct ones).

The product of its digits is 15680, while the sum is 35.

The square root of 51877412 is about 7202.5975869821. The cubic root of 51877412 is about 372.9575765085.

The spelling of 51877412 in words is "fifty-one million, eight hundred seventy-seven thousand, four hundred twelve".