49973551 has 2 divisors, whose sum is σ = 49973552. Its totient is φ = 49973550.

The previous prime is 49973543. The next prime is 49973587. The reversal of 49973551 is 15537994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49973551 - 2³ = 49973543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49973498 and 49973507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49973951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24986775 + 24986776.

It is an arithmetic number, because the mean of its divisors is an integer number (24986776).

Almost surely, 2^49973551 is an apocalyptic number.

49973551 is a deficient number, since it is larger than the sum of its proper divisors (1).

49973551 is an equidigital number, since it uses as much as digits as its factorization.

49973551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 43.

The square root of 49973551 is about 7069.1973377463. The cubic root of 49973551 is about 368.3381791072.

The spelling of 49973551 in words is "forty-nine million, nine hundred seventy-three thousand, five hundred fifty-one".