51413408 has 12 divisors (see below), whose sum is σ = 101220210. Its totient is φ = 25706688.

The previous prime is 51413381. The next prime is 51413419. The reversal of 51413408 is 80431415.

It can be written as a sum of positive squares in only one way, i.e., 35188624 + 16224784 = 5932^2 + 4028^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803303 + ... + 803366.

Almost surely, 2^51413408 is an apocalyptic number.

It is an amenable number.

51413408 is a deficient number, since it is larger than the sum of its proper divisors (49806802).

51413408 is a wasteful number, since it uses less digits than its factorization.

51413408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606679 (or 1606671 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 51413408 is about 7170.3143585201. The cubic root of 51413408 is about 371.8423041470.

The spelling of 51413408 in words is "fifty-one million, four hundred thirteen thousand, four hundred eight".