51424554 has 16 divisors (see below), whose sum is σ = 103868640. Its totient is φ = 16971600.

The previous prime is 51424553. The next prime is 51424591. The reversal of 51424554 is 45542415.

It is not an unprimeable number, because it can be changed into a prime (51424553) 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, 41824 + ... + 43035.

It is an arithmetic number, because the mean of its divisors is an integer number (6491790).

Almost surely, 2^51424554 is an apocalyptic number.

51424554 is an abundant number, since it is smaller than the sum of its proper divisors (52444086).

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

51424554 is a wasteful number, since it uses less digits than its factorization.

51424554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84965.

The product of its digits is 16000, while the sum is 30.

The square root of 51424554 is about 7171.0915487114. The cubic root of 51424554 is about 371.8691729803.

Adding to 51424554 its reverse (45542415), we get a palindrome (96966969).

The spelling of 51424554 in words is "fifty-one million, four hundred twenty-four thousand, five hundred fifty-four".