49073551 has 2 divisors, whose sum is σ = 49073552. Its totient is φ = 49073550.

The previous prime is 49073491. The next prime is 49073579. The reversal of 49073551 is 15537094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49073551 - 2⁹ = 49073039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49074551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24536775 + 24536776.

It is an arithmetic number, because the mean of its divisors is an integer number (24536776).

Almost surely, 2^49073551 is an apocalyptic number.

49073551 is a deficient number, since it is larger than the sum of its proper divisors (1).

49073551 is an equidigital number, since it uses as much as digits as its factorization.

49073551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 49073551 is about 7005.2516728523. The cubic root of 49073551 is about 366.1135717100.

The spelling of 49073551 in words is "forty-nine million, seventy-three thousand, five hundred fifty-one".