51053777 has 2 divisors, whose sum is σ = 51053778. Its totient is φ = 51053776.

The previous prime is 51053753. The next prime is 51053789. The reversal of 51053777 is 77735015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41011216 + 10042561 = 6404^2 + 3169^2 .

It is a cyclic number.

It is not a de Polignac number, because 51053777 - 2⁸ = 51053521 is a prime.

It is a super-3 number, since 3×51053777³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (51053677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25526888 + 25526889.

It is an arithmetic number, because the mean of its divisors is an integer number (25526889).

Almost surely, 2^51053777 is an apocalyptic number.

It is an amenable number.

51053777 is a deficient number, since it is larger than the sum of its proper divisors (1).

51053777 is an equidigital number, since it uses as much as digits as its factorization.

51053777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25725, while the sum is 35.

The square root of 51053777 is about 7145.1925796300. The cubic root of 51053777 is about 370.9732763861.

The spelling of 51053777 in words is "fifty-one million, fifty-three thousand, seven hundred seventy-seven".