51495948 has 72 divisors (see below), whose sum is σ = 149720480. Its totient is φ = 14618880.

The previous prime is 51495943. The next prime is 51495949. The reversal of 51495948 is 84959415.

51495948 is a `hidden beast` number, since 51 + 4 + 9 + 594 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (51495943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45048 + ... + 46176.

Almost surely, 2^51495948 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 51495948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74860240).

51495948 is an abundant number, since it is smaller than the sum of its proper divisors (98224532).

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

51495948 is a wasteful number, since it uses less digits than its factorization.

51495948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1322 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 51495948 is about 7176.0677254329. The cubic root of 51495948 is about 372.0411851730.

The spelling of 51495948 in words is "fifty-one million, four hundred ninety-five thousand, nine hundred forty-eight".