49120661 has 2 divisors, whose sum is σ = 49120662. Its totient is φ = 49120660.

The previous prime is 49120651. The next prime is 49120697. The reversal of 49120661 is 16602194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29495761 + 19624900 = 5431^2 + 4430^2 .

It is a cyclic number.

It is not a de Polignac number, because 49120661 - 2¹⁴ = 49104277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49120601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24560330 + 24560331.

It is an arithmetic number, because the mean of its divisors is an integer number (24560331).

Almost surely, 2^49120661 is an apocalyptic number.

It is an amenable number.

49120661 is a deficient number, since it is larger than the sum of its proper divisors (1).

49120661 is an equidigital number, since it uses as much as digits as its factorization.

49120661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 49120661 is about 7008.6133435937. The cubic root of 49120661 is about 366.2306890695.

The spelling of 49120661 in words is "forty-nine million, one hundred twenty thousand, six hundred sixty-one".