51070553 has 2 divisors, whose sum is σ = 51070554. Its totient is φ = 51070552.

The previous prime is 51070531. The next prime is 51070561. The reversal of 51070553 is 35507015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43072969 + 7997584 = 6563^2 + 2828^2 .

It is a cyclic number.

It is not a de Polignac number, because 51070553 - 2⁶ = 51070489 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (51070573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25535276 + 25535277.

It is an arithmetic number, because the mean of its divisors is an integer number (25535277).

Almost surely, 2^51070553 is an apocalyptic number.

It is an amenable number.

51070553 is a deficient number, since it is larger than the sum of its proper divisors (1).

51070553 is an equidigital number, since it uses as much as digits as its factorization.

51070553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 51070553 is about 7146.3664193771. The cubic root of 51070553 is about 371.0139052191.

Adding to 51070553 its reverse (35507015), we get a palindrome (86577568).

The spelling of 51070553 in words is "fifty-one million, seventy thousand, five hundred fifty-three".