51954882 has 64 divisors (see below), whose sum is σ = 124032000. Its totient is φ = 14198976.

The previous prime is 51954871. The next prime is 51954883. The reversal of 51954882 is 28845915.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (51954883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103869 + ... + 104367.

It is an arithmetic number, because the mean of its divisors is an integer number (1938000).

Almost surely, 2^51954882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51954882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62016000).

51954882 is an abundant number, since it is smaller than the sum of its proper divisors (72077118).

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

51954882 is a wasteful number, since it uses less digits than its factorization.

51954882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615.

The product of its digits is 115200, while the sum is 42.

The square root of 51954882 is about 7207.9735016161. The cubic root of 51954882 is about 373.1431335233.

The spelling of 51954882 in words is "fifty-one million, nine hundred fifty-four thousand, eight hundred eighty-two".