51618354 has 16 divisors (see below), whose sum is σ = 103682592. Its totient is φ = 17131808.

The previous prime is 51618353. The next prime is 51618397. The reversal of 51618354 is 45381615.

It is not an unprimeable number, because it can be changed into a prime (51618353) 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 7 ways as a sum of consecutive naturals, for example, 17064 + ... + 19859.

It is an arithmetic number, because the mean of its divisors is an integer number (6480162).

Almost surely, 2^51618354 is an apocalyptic number.

51618354 is an abundant number, since it is smaller than the sum of its proper divisors (52064238).

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

51618354 is a wasteful number, since it uses less digits than its factorization.

51618354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37161.

The product of its digits is 14400, while the sum is 33.

The square root of 51618354 is about 7184.5914288845. The cubic root of 51618354 is about 372.3357328653.

Adding to 51618354 its reverse (45381615), we get a palindrome (96999969).

The spelling of 51618354 in words is "fifty-one million, six hundred eighteen thousand, three hundred fifty-four".