49145501 has 2 divisors, whose sum is σ = 49145502. Its totient is φ = 49145500.

The previous prime is 49145483. The next prime is 49145513. The reversal of 49145501 is 10554194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41860900 + 7284601 = 6470^2 + 2699^2 .

It is a cyclic number.

It is not a de Polignac number, because 49145501 - 2¹⁰ = 49144477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49145531) 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, 24572750 + 24572751.

It is an arithmetic number, because the mean of its divisors is an integer number (24572751).

Almost surely, 2^49145501 is an apocalyptic number.

It is an amenable number.

49145501 is a deficient number, since it is larger than the sum of its proper divisors (1).

49145501 is an equidigital number, since it uses as much as digits as its factorization.

49145501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 49145501 is about 7010.3852247933. The cubic root of 49145501 is about 366.2924121618.

Adding to 49145501 its reverse (10554194), we get a palindrome (59699695).

The spelling of 49145501 in words is "forty-nine million, one hundred forty-five thousand, five hundred one".