51893770 has 8 divisors (see below), whose sum is σ = 93408804. Its totient is φ = 20757504.

The previous prime is 51893753. The next prime is 51893791. The reversal of 51893770 is 7739815.

51893770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49406841 + 2486929 = 7029^2 + 1577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 2594679 + ... + 2594698.

Almost surely, 2^51893770 is an apocalyptic number.

51893770 is a deficient number, since it is larger than the sum of its proper divisors (41515034).

51893770 is a wasteful number, since it uses less digits than its factorization.

51893770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189384.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 51893770 is about 7203.7330600183. The cubic root of 51893770 is about 372.9967727513.

The spelling of 51893770 in words is "fifty-one million, eight hundred ninety-three thousand, seven hundred seventy".