51124608 has 80 divisors (see below), whose sum is σ = 152176860. Its totient is φ = 17038080.

The previous prime is 51124589. The next prime is 51124643. The reversal of 51124608 is 80642115.

51124608 is a `hidden beast` number, since 51 + 1 + 2 + 4 + 608 = 666.

It is a super-2 number, since 2×51124608² = 5227451086307328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7903 + ... + 12833.

Almost surely, 2^51124608 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 51124608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76088430).

51124608 is an abundant number, since it is smaller than the sum of its proper divisors (101052252).

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

51124608 is an equidigital number, since it uses as much as digits as its factorization.

51124608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4957 (or 4936 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 51124608 is about 7150.1474110678. The cubic root of 51124608 is about 371.1447574351.

The spelling of 51124608 in words is "fifty-one million, one hundred twenty-four thousand, six hundred eight".