51472562 has 4 divisors (see below), whose sum is σ = 77208846. Its totient is φ = 25736280.

The previous prime is 51472543. The next prime is 51472601. The reversal of 51472562 is 26527415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26527415 = 5 ⋅5305483.

It can be written as a sum of positive squares in only one way, i.e., 50282281 + 1190281 = 7091^2 + 1091^2 .

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, 12868139 + ... + 12868142.

Almost surely, 2^51472562 is an apocalyptic number.

51472562 is a deficient number, since it is larger than the sum of its proper divisors (25736284).

51472562 is a wasteful number, since it uses less digits than its factorization.

51472562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25736283.

The product of its digits is 16800, while the sum is 32.

The square root of 51472562 is about 7174.4380964644. The cubic root of 51472562 is about 371.9848579415.

Adding to 51472562 its reverse (26527415), we get a palindrome (77999977).

The spelling of 51472562 in words is "fifty-one million, four hundred seventy-two thousand, five hundred sixty-two".