51193368 has 24 divisors (see below), whose sum is σ = 138648900. Its totient is φ = 17064432.

The previous prime is 51193357. The next prime is 51193393. The reversal of 51193368 is 86339115.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355438 + ... + 355581.

Almost surely, 2^51193368 is an apocalyptic number.

It is an amenable number.

51193368 is an abundant number, since it is smaller than the sum of its proper divisors (87455532).

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

51193368 is a wasteful number, since it uses less digits than its factorization.

51193368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711031 (or 711024 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 51193368 is about 7154.9540879030. The cubic root of 51193368 is about 371.3110731753.

The spelling of 51193368 in words is "fifty-one million, one hundred ninety-three thousand, three hundred sixty-eight".