51346851 has 16 divisors (see below), whose sum is σ = 72662688. Its totient is φ = 32140800.

The previous prime is 51346837. The next prime is 51346901. The reversal of 51346851 is 15864315.

It is not a de Polignac number, because 51346851 - 2¹⁴ = 51330467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51346951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26661 + ... + 28521.

It is an arithmetic number, because the mean of its divisors is an integer number (4541418).

Almost surely, 2^51346851 is an apocalyptic number.

51346851 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

51346851 is a deficient number, since it is larger than the sum of its proper divisors (21315837).

51346851 is a wasteful number, since it uses less digits than its factorization.

51346851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422.

The product of its digits is 14400, while the sum is 33.

The square root of 51346851 is about 7165.6717061278. The cubic root of 51346851 is about 371.6817792546.

The spelling of 51346851 in words is "fifty-one million, three hundred forty-six thousand, eight hundred fifty-one".