51108192 has 96 divisors (see below), whose sum is σ = 150444000. Its totient is φ = 16879104.

The previous prime is 51108191. The next prime is 51108193. The reversal of 51108192 is 29180115.

It is an interprime number because it is at equal distance from previous prime (51108191) and next prime (51108193).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×51108192² = 5224094579017728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51108191) 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, 128538 + ... + 128934.

It is an arithmetic number, because the mean of its divisors is an integer number (1567125).

Almost surely, 2^51108192 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 51108192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75222000).

51108192 is an abundant number, since it is smaller than the sum of its proper divisors (99335808).

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

51108192 is a wasteful number, since it uses less digits than its factorization.

51108192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 51108192 is about 7148.9993705413. Note that the first 3 decimals coincide. The cubic root of 51108192 is about 371.1050285921.

The spelling of 51108192 in words is "fifty-one million, one hundred eight thousand, one hundred ninety-two".