49239801 has 12 divisors (see below), whose sum is σ = 76595428. Its totient is φ = 30301344.

The previous prime is 49239793. The next prime is 49239829. The reversal of 49239801 is 10893294.

It can be written as a sum of positive squares in 2 ways, for example, as 23474025 + 25765776 = 4845^2 + 5076^2 .

It is not a de Polignac number, because 49239801 - 2³ = 49239793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49239851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210310 + ... + 210543.

Almost surely, 2^49239801 is an apocalyptic number.

It is an amenable number.

49239801 is a deficient number, since it is larger than the sum of its proper divisors (27355627).

49239801 is a wasteful number, since it uses less digits than its factorization.

49239801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420872 (or 420869 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 49239801 is about 7017.1077375226. The cubic root of 49239801 is about 366.5265421413.

The spelling of 49239801 in words is "forty-nine million, two hundred thirty-nine thousand, eight hundred one".