51370368 has 128 divisors (see below), whose sum is σ = 161568000. Its totient is φ = 14149632.

The previous prime is 51370349. The next prime is 51370391. The reversal of 51370368 is 86307315.

It is a happy number.

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

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, 77623 + ... + 78281.

It is an arithmetic number, because the mean of its divisors is an integer number (1262250).

Almost surely, 2^51370368 is an apocalyptic number.

51370368 is a gapful number since it is divisible by the number (58) 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 51370368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80784000).

51370368 is an abundant number, since it is smaller than the sum of its proper divisors (110197632).

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

51370368 is a wasteful number, since it uses less digits than its factorization.

51370368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 51370368 is about 7167.3124670270. The cubic root of 51370368 is about 371.7385143554.

The spelling of 51370368 in words is "fifty-one million, three hundred seventy thousand, three hundred sixty-eight".