51122544 has 40 divisors (see below), whose sum is σ = 144074112. Its totient is φ = 15491520.

The previous prime is 51122507. The next prime is 51122549. The reversal of 51122544 is 44522115.

It is a super-2 number, since 2×51122544² = 5227029010063872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51122549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47884 + ... + 48939.

Almost surely, 2^51122544 is an apocalyptic number.

It is an amenable number.

51122544 is an abundant number, since it is smaller than the sum of its proper divisors (92951568).

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

51122544 is a wasteful number, since it uses less digits than its factorization.

51122544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96845 (or 96839 counting only the distinct ones).

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

The square root of 51122544 is about 7150.0030769224. The cubic root of 51122544 is about 371.1397627556.

Adding to 51122544 its reverse (44522115), we get a palindrome (95644659).

The spelling of 51122544 in words is "fifty-one million, one hundred twenty-two thousand, five hundred forty-four".