51897050 has 12 divisors (see below), whose sum is σ = 96528606. Its totient is φ = 20758800.

The previous prime is 51897023. The next prime is 51897077. The reversal of 51897050 is 5079815.

It is an interprime number because it is at equal distance from previous prime (51897023) and next prime (51897077).

It can be written as a sum of positive squares in 3 ways, for example, as 29495761 + 22401289 = 5431^2 + 4733^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51897050.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 518921 + ... + 519020.

Almost surely, 2^51897050 is an apocalyptic number.

51897050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51897050 is a deficient number, since it is larger than the sum of its proper divisors (44631556).

51897050 is a wasteful number, since it uses less digits than its factorization.

51897050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037953 (or 1037948 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 51897050 is about 7203.9607161616. The cubic root of 51897050 is about 373.0046311361.

The spelling of 51897050 in words is "fifty-one million, eight hundred ninety-seven thousand, fifty".