51187802 has 8 divisors (see below), whose sum is σ = 78567456. Its totient is φ = 24998652.

The previous prime is 51187781. The next prime is 51187823. The reversal of 51187802 is 20878115.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51187781) and next prime (51187823).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297518 + ... + 297689.

It is an arithmetic number, because the mean of its divisors is an integer number (9820932).

Almost surely, 2^51187802 is an apocalyptic number.

51187802 is a deficient number, since it is larger than the sum of its proper divisors (27379654).

51187802 is a wasteful number, since it uses less digits than its factorization.

51187802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595252.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 51187802 is about 7154.5651160640. The cubic root of 51187802 is about 371.2976157528.

The spelling of 51187802 in words is "fifty-one million, one hundred eighty-seven thousand, eight hundred two".