51005452 has 24 divisors (see below), whose sum is σ = 90417152. Its totient is φ = 25174800.

The previous prime is 51005429. The next prime is 51005473. The reversal of 51005452 is 25450015.

It is a super-2 number, since 2×51005452² = 5203112267448608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188077 + ... + 188347.

Almost surely, 2^51005452 is an apocalyptic number.

It is an amenable number.

51005452 is a deficient number, since it is larger than the sum of its proper divisors (39411700).

51005452 is a wasteful number, since it uses less digits than its factorization.

51005452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 51005452 is about 7141.8101346927. The cubic root of 51005452 is about 370.8561910695.

Adding to 51005452 its reverse (25450015), we get a palindrome (76455467).

The spelling of 51005452 in words is "fifty-one million, five thousand, four hundred fifty-two".