51525898 has 8 divisors (see below), whose sum is σ = 77425920. Its totient is φ = 25717260.

The previous prime is 51525883. The next prime is 51525917. The reversal of 51525898 is 89852515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×51525898⁴ (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21418 + ... + 23701.

It is an arithmetic number, because the mean of its divisors is an integer number (9678240).

Almost surely, 2^51525898 is an apocalyptic number.

51525898 is a deficient number, since it is larger than the sum of its proper divisors (25900022).

51525898 is a wasteful number, since it uses less digits than its factorization.

51525898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45692.

The product of its digits is 144000, while the sum is 43.

The square root of 51525898 is about 7178.1542195748. The cubic root of 51525898 is about 372.1132974747.

The spelling of 51525898 in words is "fifty-one million, five hundred twenty-five thousand, eight hundred ninety-eight".