49215601 has 2 divisors, whose sum is σ = 49215602. Its totient is φ = 49215600.

The previous prime is 49215557. The next prime is 49215619. The reversal of 49215601 is 10651294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40335201 + 8880400 = 6351^2 + 2980^2 .

It is a cyclic number.

It is not a de Polignac number, because 49215601 - 2⁷ = 49215473 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49215601.

It is not a weakly prime, because it can be changed into another prime (49212601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24607800 + 24607801.

It is an arithmetic number, because the mean of its divisors is an integer number (24607801).

Almost surely, 2^49215601 is an apocalyptic number.

It is an amenable number.

49215601 is a deficient number, since it is larger than the sum of its proper divisors (1).

49215601 is an equidigital number, since it uses as much as digits as its factorization.

49215601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 49215601 is about 7015.3831684378. The cubic root of 49215601 is about 366.4664864164.

Adding to 49215601 its reverse (10651294), we get a palindrome (59866895).

The spelling of 49215601 in words is "forty-nine million, two hundred fifteen thousand, six hundred one".