51258522 has 32 divisors (see below), whose sum is σ = 117396864. Its totient is φ = 14616000.

The previous prime is 51258511. The next prime is 51258527. The reversal of 51258522 is 22585215.

It is a self number, because there is not a number n which added to its sum of digits gives 51258522.

It is not an unprimeable number, because it can be changed into a prime (51258527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28572 + ... + 30312.

It is an arithmetic number, because the mean of its divisors is an integer number (3668652).

Almost surely, 2^51258522 is an apocalyptic number.

51258522 is an abundant number, since it is smaller than the sum of its proper divisors (66138342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51258522 is a wasteful number, since it uses less digits than its factorization.

51258522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454.

The product of its digits is 8000, while the sum is 30.

The square root of 51258522 is about 7159.5057091953. The cubic root of 51258522 is about 371.4685294149.

The spelling of 51258522 in words is "fifty-one million, two hundred fifty-eight thousand, five hundred twenty-two".