52451312 has 10 divisors (see below), whose sum is σ = 101624448. Its totient is φ = 26225648.

The previous prime is 52451299. The next prime is 52451327. The reversal of 52451312 is 21315425.

It is a super-2 number, since 2×52451312² = 5502280261042688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639088 + ... + 1639119.

Almost surely, 2^52451312 is an apocalyptic number.

It is an amenable number.

52451312 is a deficient number, since it is larger than the sum of its proper divisors (49173136).

52451312 is a wasteful number, since it uses less digits than its factorization.

52451312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278215 (or 3278209 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 52451312 is about 7242.3278025784. The cubic root of 52451312 is about 374.3278317446.

Adding to 52451312 its reverse (21315425), we get a palindrome (73766737).

The spelling of 52451312 in words is "fifty-two million, four hundred fifty-one thousand, three hundred twelve".