51938304 has 176 divisors, whose sum is σ = 159174720. Its totient is φ = 14909440.

The previous prime is 51938291. The next prime is 51938309. The reversal of 51938304 is 40383915.

It is a tau number, because it is divible by the number of its divisors (176).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (51938309) 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, 979942 + ... + 979994.

Almost surely, 2^51938304 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 51938304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79587360).

51938304 is an abundant number, since it is smaller than the sum of its proper divisors (107236416).

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

51938304 is a wasteful number, since it uses less digits than its factorization.

51938304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 51938304 is about 7206.8234333859. The cubic root of 51938304 is about 373.1034412320.

The spelling of 51938304 in words is "fifty-one million, nine hundred thirty-eight thousand, three hundred four".