51675008 has 128 divisors (see below), whose sum is σ = 132192000. Its totient is φ = 19944960.

The previous prime is 51674993. The next prime is 51675011. The reversal of 51675008 is 80057615.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482891 + ... + 482997.

It is an arithmetic number, because the mean of its divisors is an integer number (1032750).

Almost surely, 2^51675008 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 51675008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66096000).

51675008 is an abundant number, since it is smaller than the sum of its proper divisors (80516992).

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

51675008 is a wasteful number, since it uses less digits than its factorization.

51675008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 51675008 is about 7188.5330909720. The cubic root of 51675008 is about 372.4719027499.

The spelling of 51675008 in words is "fifty-one million, six hundred seventy-five thousand, eight".