51026208 has 96 divisors (see below), whose sum is σ = 140507136. Its totient is φ = 16197888.

The previous prime is 51026201. The next prime is 51026237. The reversal of 51026208 is 80262015.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is not an unprimeable number, because it can be changed into a prime (51026201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193885 + ... + 194147.

It is an arithmetic number, because the mean of its divisors is an integer number (1463616).

Almost surely, 2^51026208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51026208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70253568).

51026208 is an abundant number, since it is smaller than the sum of its proper divisors (89480928).

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

51026208 is a wasteful number, since it uses less digits than its factorization.

51026208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 51026208 is about 7143.2631198914. The cubic root of 51026208 is about 370.9064892691.

The spelling of 51026208 in words is "fifty-one million, twenty-six thousand, two hundred eight".