50970551 has 2 divisors, whose sum is σ = 50970552. Its totient is φ = 50970550.

The previous prime is 50970533. The next prime is 50970583. The reversal of 50970551 is 15507905.

It is an a-pointer prime, because the next prime (50970583) can be obtained adding 50970551 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50970551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50970511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25485275 + 25485276.

It is an arithmetic number, because the mean of its divisors is an integer number (25485276).

Almost surely, 2^50970551 is an apocalyptic number.

50970551 is a deficient number, since it is larger than the sum of its proper divisors (1).

50970551 is an equidigital number, since it uses as much as digits as its factorization.

50970551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7875, while the sum is 32.

The square root of 50970551 is about 7139.3662884040. The cubic root of 50970551 is about 370.7715843937.

The spelling of 50970551 in words is "fifty million, nine hundred seventy thousand, five hundred fifty-one".