51426850 has 48 divisors (see below), whose sum is σ = 100761408. Its totient is φ = 19490240.

The previous prime is 51426847. The next prime is 51426871. The reversal of 51426850 is 5862415.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226437 + ... + 226663.

It is an arithmetic number, because the mean of its divisors is an integer number (2099196).

Almost surely, 2^51426850 is an apocalyptic number.

51426850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51426850 is a deficient number, since it is larger than the sum of its proper divisors (49334558).

51426850 is a wasteful number, since it uses less digits than its factorization.

51426850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 51426850 is about 7171.2516341291. The cubic root of 51426850 is about 371.8747072945.

The spelling of 51426850 in words is "fifty-one million, four hundred twenty-six thousand, eight hundred fifty".