51877406 has 16 divisors (see below), whose sum is σ = 89032416. Its totient is φ = 22208256.

The previous prime is 51877403. The next prime is 51877411. The reversal of 51877406 is 60477815.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51877406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51877403) 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, 16730 + ... + 19586.

It is an arithmetic number, because the mean of its divisors is an integer number (5564526).

Almost surely, 2^51877406 is an apocalyptic number.

51877406 is a deficient number, since it is larger than the sum of its proper divisors (37155010).

51877406 is a wasteful number, since it uses less digits than its factorization.

51877406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 51877406 is about 7202.5971704657. The cubic root of 51877406 is about 372.9575621301.

The spelling of 51877406 in words is "fifty-one million, eight hundred seventy-seven thousand, four hundred six".