51853402 has 8 divisors (see below), whose sum is σ = 77852736. Its totient is φ = 25902492.

The previous prime is 51853381. The next prime is 51853427. The reversal of 51853402 is 20435815.

51853402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 9298 + ... + 13789.

It is an arithmetic number, because the mean of its divisors is an integer number (9731592).

Almost surely, 2^51853402 is an apocalyptic number.

51853402 is a deficient number, since it is larger than the sum of its proper divisors (25999334).

51853402 is a wasteful number, since it uses less digits than its factorization.

51853402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24212.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 51853402 is about 7200.9306343000. The cubic root of 51853402 is about 372.9000299907.

The spelling of 51853402 in words is "fifty-one million, eight hundred fifty-three thousand, four hundred two".