51883511 has 2 divisors, whose sum is σ = 51883512. Its totient is φ = 51883510.

The previous prime is 51883501. The next prime is 51883537. The reversal of 51883511 is 11538815.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51883511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51883501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25941755 + 25941756.

It is an arithmetic number, because the mean of its divisors is an integer number (25941756).

Almost surely, 2^51883511 is an apocalyptic number.

51883511 is a deficient number, since it is larger than the sum of its proper divisors (1).

51883511 is an equidigital number, since it uses as much as digits as its factorization.

51883511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 32.

The square root of 51883511 is about 7203.0209634569. The cubic root of 51883511 is about 372.9721915984.

The spelling of 51883511 in words is "fifty-one million, eight hundred eighty-three thousand, five hundred eleven".