51053591 has 2 divisors, whose sum is σ = 51053592. Its totient is φ = 51053590.

The previous prime is 51053573. The next prime is 51053603. The reversal of 51053591 is 19535015.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51053591 - 2²² = 46859287 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51053501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25526795 + 25526796.

It is an arithmetic number, because the mean of its divisors is an integer number (25526796).

Almost surely, 2^51053591 is an apocalyptic number.

51053591 is a deficient number, since it is larger than the sum of its proper divisors (1).

51053591 is an equidigital number, since it uses as much as digits as its factorization.

51053591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3375, while the sum is 29.

The square root of 51053591 is about 7145.1795638738. The cubic root of 51053591 is about 370.9728258735.

The spelling of 51053591 in words is "fifty-one million, fifty-three thousand, five hundred ninety-one".