51573378 has 16 divisors (see below), whose sum is σ = 104390496. Its totient is φ = 16983840.

The previous prime is 51573377. The next prime is 51573443. The reversal of 51573378 is 87337515.

It is not an unprimeable number, because it can be changed into a prime (51573371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51283 + ... + 52278.

It is an arithmetic number, because the mean of its divisors is an integer number (6524406).

Almost surely, 2^51573378 is an apocalyptic number.

51573378 is an abundant number, since it is smaller than the sum of its proper divisors (52817118).

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

51573378 is a wasteful number, since it uses less digits than its factorization.

51573378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103649.

The product of its digits is 88200, while the sum is 39.

The square root of 51573378 is about 7181.4607149242. The cubic root of 51573378 is about 372.2275605020.

The spelling of 51573378 in words is "fifty-one million, five hundred seventy-three thousand, three hundred seventy-eight".