49144901 has 4 divisors (see below), whose sum is σ = 52925292. Its totient is φ = 45364512.

The previous prime is 49144897. The next prime is 49144903. The reversal of 49144901 is 10944194.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11383876 + 37761025 = 3374^2 + 6145^2 .

It is a cyclic number.

It is not a de Polignac number, because 49144901 - 2² = 49144897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49144903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1890176 + ... + 1890201.

It is an arithmetic number, because the mean of its divisors is an integer number (13231323).

Almost surely, 2^49144901 is an apocalyptic number.

It is an amenable number.

49144901 is a deficient number, since it is larger than the sum of its proper divisors (3780391).

49144901 is a wasteful number, since it uses less digits than its factorization.

49144901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780390.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 49144901 is about 7010.3424310086. The cubic root of 49144901 is about 366.2909215110.

The spelling of 49144901 in words is "forty-nine million, one hundred forty-four thousand, nine hundred one".