51477434 has 8 divisors (see below), whose sum is σ = 79303188. Its totient is φ = 25043040.

The previous prime is 51477431. The next prime is 51477449. The reversal of 51477434 is 43477415.

It can be written as a sum of positive squares in 2 ways, for example, as 51051025 + 426409 = 7145^2 + 653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51477434² = 5299852422448712, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51477394 and 51477403.

It is not an unprimeable number, because it can be changed into a prime (51477431) 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, 347747 + ... + 347894.

Almost surely, 2^51477434 is an apocalyptic number.

51477434 is a deficient number, since it is larger than the sum of its proper divisors (27825754).

51477434 is a wasteful number, since it uses less digits than its factorization.

51477434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695680.

The product of its digits is 47040, while the sum is 35.

The square root of 51477434 is about 7174.7776272161. Note that the first 3 decimals coincide. The cubic root of 51477434 is about 371.9965939874.

The spelling of 51477434 in words is "fifty-one million, four hundred seventy-seven thousand, four hundred thirty-four".