51474452 has 6 divisors (see below), whose sum is σ = 90080298. Its totient is φ = 25737224.

The previous prime is 51474443. The next prime is 51474457. The reversal of 51474452 is 25447415.

It can be written as a sum of positive squares in only one way, i.e., 47803396 + 3671056 = 6914^2 + 1916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51474457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6434303 + ... + 6434310.

It is an arithmetic number, because the mean of its divisors is an integer number (15013383).

Almost surely, 2^51474452 is an apocalyptic number.

It is an amenable number.

51474452 is a deficient number, since it is larger than the sum of its proper divisors (38605846).

51474452 is a wasteful number, since it uses less digits than its factorization.

51474452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12868617 (or 12868615 counting only the distinct ones).

The product of its digits is 22400, while the sum is 32.

The square root of 51474452 is about 7174.5698128877. The cubic root of 51474452 is about 371.9894108058.

The spelling of 51474452 in words is "fifty-one million, four hundred seventy-four thousand, four hundred fifty-two".