51340522 has 8 divisors (see below), whose sum is σ = 77773572. Its totient is φ = 25416000.

The previous prime is 51340519. The next prime is 51340537. The reversal of 51340522 is 22504315.

It can be written as a sum of positive squares in 2 ways, for example, as 48316401 + 3024121 = 6951^2 + 1739^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 51340493 and 51340502.

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, 126879 + ... + 127282.

Almost surely, 2^51340522 is an apocalyptic number.

51340522 is a deficient number, since it is larger than the sum of its proper divisors (26433050).

51340522 is a wasteful number, since it uses less digits than its factorization.

51340522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254264.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 51340522 is about 7165.2300730681. The cubic root of 51340522 is about 371.6665074928. Note that the first 3 decimals are identical.

Adding to 51340522 its reverse (22504315), we get a palindrome (73844837).

The spelling of 51340522 in words is "fifty-one million, three hundred forty thousand, five hundred twenty-two".