51203801 has 8 divisors (see below), whose sum is σ = 56052864. Its totient is φ = 46387120.

The previous prime is 51203797. The next prime is 51203833. The reversal of 51203801 is 10830215.

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

It is a cyclic number.

It is not a de Polignac number, because 51203801 - 2² = 51203797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51203861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4721 + ... + 11166.

It is an arithmetic number, because the mean of its divisors is an integer number (7006608).

Almost surely, 2^51203801 is an apocalyptic number.

It is an amenable number.

51203801 is a deficient number, since it is larger than the sum of its proper divisors (4849063).

51203801 is a wasteful number, since it uses less digits than its factorization.

51203801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16191.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 51203801 is about 7155.6831260195. The cubic root of 51203801 is about 371.3362953570.

The spelling of 51203801 in words is "fifty-one million, two hundred three thousand, eight hundred one".