51961476 has 24 divisors (see below), whose sum is σ = 138564160. Its totient is φ = 14846112.

The previous prime is 51961471. The next prime is 51961489. The reversal of 51961476 is 67416915.

It is not an unprimeable number, because it can be changed into a prime (51961471) 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, 309211 + ... + 309378.

Almost surely, 2^51961476 is an apocalyptic number.

It is an amenable number.

51961476 is an abundant number, since it is smaller than the sum of its proper divisors (86602684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51961476 is a wasteful number, since it uses less digits than its factorization.

51961476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618603 (or 618601 counting only the distinct ones).

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

The square root of 51961476 is about 7208.4308972203. The cubic root of 51961476 is about 373.1589190256.

It can be divided in two parts, 519614 and 76, that added together give a triangular number (519690 = T₁₀₁₉).

The spelling of 51961476 in words is "fifty-one million, nine hundred sixty-one thousand, four hundred seventy-six".