51199408 has 20 divisors (see below), whose sum is σ = 106829968. Its totient is φ = 23630400.

The previous prime is 51199397. The next prime is 51199409. The reversal of 51199408 is 80499115.

51199408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51199409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122868 + ... + 123283.

Almost surely, 2^51199408 is an apocalyptic number.

It is an amenable number.

51199408 is an abundant number, since it is smaller than the sum of its proper divisors (55630560).

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

51199408 is a wasteful number, since it uses less digits than its factorization.

51199408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246172 (or 246166 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 51199408 is about 7155.3761606222. The cubic root of 51199408 is about 371.3256755269.

The spelling of 51199408 in words is "fifty-one million, one hundred ninety-nine thousand, four hundred eight".