51514521 has 8 divisors (see below), whose sum is σ = 68935104. Its totient is φ = 34218480.

The previous prime is 51514513. The next prime is 51514537. The reversal of 51514521 is 12541515.

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

It is not a de Polignac number, because 51514521 - 2³ = 51514513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51514491 and 51514500.

It is not an unprimeable number, because it can be changed into a prime (51514511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30165 + ... + 31826.

It is an arithmetic number, because the mean of its divisors is an integer number (8616888).

Almost surely, 2^51514521 is an apocalyptic number.

It is an amenable number.

51514521 is a deficient number, since it is larger than the sum of its proper divisors (17420583).

51514521 is a wasteful number, since it uses less digits than its factorization.

51514521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62271.

The product of its digits is 1000, while the sum is 24.

The square root of 51514521 is about 7177.3617019069. The cubic root of 51514521 is about 372.0859077233.

The spelling of 51514521 in words is "fifty-one million, five hundred fourteen thousand, five hundred twenty-one".