51354522 has 24 divisors (see below), whose sum is σ = 111414420. Its totient is φ = 17095680.

The previous prime is 51354493. The next prime is 51354529. The reversal of 51354522 is 22545315.

It is a happy number.

51354522 is a `hidden beast` number, since 5 + 135 + 4 + 522 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48986001 + 2368521 = 6999^2 + 1539^2 .

It is not an unprimeable number, because it can be changed into a prime (51354529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17754 + ... + 20442.

Almost surely, 2^51354522 is an apocalyptic number.

51354522 is an abundant number, since it is smaller than the sum of its proper divisors (60059898).

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

51354522 is a wasteful number, since it uses less digits than its factorization.

51354522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758 (or 3755 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 51354522 is about 7166.2069464955. The cubic root of 51354522 is about 371.7002875558.

Adding to 51354522 its reverse (22545315), we get a palindrome (73899837).

The spelling of 51354522 in words is "fifty-one million, three hundred fifty-four thousand, five hundred twenty-two".