51224154 has 16 divisors (see below), whose sum is σ = 104185440. Its totient is φ = 16785200.

The previous prime is 51224101. The next prime is 51224161. The reversal of 51224154 is 45142215.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71997 + ... + 72704.

It is an arithmetic number, because the mean of its divisors is an integer number (6511590).

Almost surely, 2^51224154 is an apocalyptic number.

51224154 is an abundant number, since it is smaller than the sum of its proper divisors (52961286).

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

51224154 is a wasteful number, since it uses less digits than its factorization.

51224154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144765.

The product of its digits is 1600, while the sum is 24.

The square root of 51224154 is about 7157.1051410469. The cubic root of 51224154 is about 371.3854896636.

Adding to 51224154 its reverse (45142215), we get a palindrome (96366369).

The spelling of 51224154 in words is "fifty-one million, two hundred twenty-four thousand, one hundred fifty-four".