51203375 has 16 divisors (see below), whose sum is σ = 65634816. Its totient is φ = 39852000.

The previous prime is 51203363. The next prime is 51203387. The reversal of 51203375 is 57330215.

It is an interprime number because it is at equal distance from previous prime (51203363) and next prime (51203387).

It is not a de Polignac number, because 51203375 - 2⁶ = 51203311 is a prime.

It is a super-2 number, since 2×51203375² = 5243571222781250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 911 + ... + 10160.

It is an arithmetic number, because the mean of its divisors is an integer number (4102176).

Almost surely, 2^51203375 is an apocalyptic number.

51203375 is a deficient number, since it is larger than the sum of its proper divisors (14431441).

51203375 is a wasteful number, since it uses less digits than its factorization.

51203375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11123 (or 11113 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 51203375 is about 7155.6533594075. The cubic root of 51203375 is about 371.3352655526.

The spelling of 51203375 in words is "fifty-one million, two hundred three thousand, three hundred seventy-five".