51469761 has 16 divisors (see below), whose sum is σ = 83044224. Its totient is φ = 27681024.

The previous prime is 51469741. The next prime is 51469763. The reversal of 51469761 is 16796415.

It is not a de Polignac number, because 51469761 - 2⁵ = 51469729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51469763) 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, 71730 + ... + 72443.

It is an arithmetic number, because the mean of its divisors is an integer number (5190264).

Almost surely, 2^51469761 is an apocalyptic number.

51469761 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

51469761 is a deficient number, since it is larger than the sum of its proper divisors (31574463).

51469761 is a wasteful number, since it uses less digits than its factorization.

51469761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144200.

The product of its digits is 45360, while the sum is 39.

The square root of 51469761 is about 7174.2428868836. The cubic root of 51469761 is about 371.9781103434.

The spelling of 51469761 in words is "fifty-one million, four hundred sixty-nine thousand, seven hundred sixty-one".