51199848 has 192 divisors, whose sum is σ = 170726400. Its totient is φ = 13547520.

The previous prime is 51199793. The next prime is 51199861. The reversal of 51199848 is 84899115.

51199848 is a `hidden beast` number, since 511 + 9 + 98 + 48 = 666.

Its product of digits (103680) is a multiple of the sum of its prime factors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 453040 + ... + 453152.

It is an arithmetic number, because the mean of its divisors is an integer number (889200).

Almost surely, 2^51199848 is an apocalyptic number.

51199848 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 51199848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85363200).

51199848 is an abundant number, since it is smaller than the sum of its proper divisors (119526552).

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

51199848 is a wasteful number, since it uses less digits than its factorization.

51199848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 185 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 51199848 is about 7155.4069066686. The cubic root of 51199848 is about 371.3267392295.

The spelling of 51199848 in words is "fifty-one million, one hundred ninety-nine thousand, eight hundred forty-eight".