51553096 has 48 divisors (see below), whose sum is σ = 113065200. Its totient is φ = 21972384.

The previous prime is 51553091. The next prime is 51553121. The reversal of 51553096 is 69035515.

It is not an unprimeable number, because it can be changed into a prime (51553091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135835 + ... + 136213.

It is an arithmetic number, because the mean of its divisors is an integer number (2355525).

Almost surely, 2^51553096 is an apocalyptic number.

51553096 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51553096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56532600).

51553096 is an abundant number, since it is smaller than the sum of its proper divisors (61512104).

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

51553096 is a wasteful number, since it uses less digits than its factorization.

51553096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 51553096 is about 7180.0484678030. The cubic root of 51553096 is about 372.1787594245.

The spelling of 51553096 in words is "fifty-one million, five hundred fifty-three thousand, ninety-six".