51550672 has 10 divisors (see below), whose sum is σ = 99879458. Its totient is φ = 25775328.

The previous prime is 51550649. The next prime is 51550693. The reversal of 51550672 is 27605515.

It can be written as a sum of positive squares in only one way, i.e., 51494976 + 55696 = 7176^2 + 236^2 .

It is a super-3 number, since 3×51550672³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610943 + ... + 1610974.

Almost surely, 2^51550672 is an apocalyptic number.

It is an amenable number.

51550672 is a deficient number, since it is larger than the sum of its proper divisors (48328786).

51550672 is a wasteful number, since it uses less digits than its factorization.

51550672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221925 (or 3221919 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 51550672 is about 7179.8796647298. The cubic root of 51550672 is about 372.1729261152.

The spelling of 51550672 in words is "fifty-one million, five hundred fifty thousand, six hundred seventy-two".