53151752 has 8 divisors (see below), whose sum is σ = 99659550. Its totient is φ = 26575872.

The previous prime is 53151719. The next prime is 53151757. The reversal of 53151752 is 25715135.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41550916 + 11600836 = 6446^2 + 3406^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (53151757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3321977 + ... + 3321992.

Almost surely, 2^53151752 is an apocalyptic number.

It is an amenable number.

53151752 is a deficient number, since it is larger than the sum of its proper divisors (46507798).

53151752 is a wasteful number, since it uses less digits than its factorization.

53151752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6643975 (or 6643971 counting only the distinct ones).

The product of its digits is 5250, while the sum is 29.

The square root of 53151752 is about 7290.5248096416. The cubic root of 53151752 is about 375.9867393845.

Adding to 53151752 its reverse (25715135), we get a palindrome (78866887).

The spelling of 53151752 in words is "fifty-three million, one hundred fifty-one thousand, seven hundred fifty-two".