51452152 has 32 divisors (see below), whose sum is σ = 102963600. Its totient is φ = 24033024.

The previous prime is 51452143. The next prime is 51452201. The reversal of 51452152 is 25125415.

It is a super-2 number, since 2×51452152² = 5294647890862208, which contains 22 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 in 7 ways as a sum of consecutive naturals, for example, 8778 + ... + 13414.

Almost surely, 2^51452152 is an apocalyptic number.

It is an amenable number.

51452152 is an abundant number, since it is smaller than the sum of its proper divisors (51511448).

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

51452152 is a wasteful number, since it uses less digits than its factorization.

51452152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735 (or 4731 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 51452152 is about 7173.0155443858. The cubic root of 51452152 is about 371.9356847227.

Adding to 51452152 its reverse (25125415), we get a palindrome (76577567).

The spelling of 51452152 in words is "fifty-one million, four hundred fifty-two thousand, one hundred fifty-two".