49413997 has 4 divisors (see below), whose sum is σ = 49563616. Its totient is φ = 49264380.

The previous prime is 49413989. The next prime is 49414007. The reversal of 49413997 is 79931494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79931494 = 2 ⋅39965747.

It is a cyclic number.

It is not a de Polignac number, because 49413997 - 2³ = 49413989 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 (49413937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74313 + ... + 74974.

It is an arithmetic number, because the mean of its divisors is an integer number (12390904).

Almost surely, 2^49413997 is an apocalyptic number.

It is an amenable number.

49413997 is a deficient number, since it is larger than the sum of its proper divisors (149619).

49413997 is a wasteful number, since it uses less digits than its factorization.

49413997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149618.

The product of its digits is 244944, while the sum is 46.

The square root of 49413997 is about 7029.5090155714. The cubic root of 49413997 is about 366.9582546493.

The spelling of 49413997 in words is "forty-nine million, four hundred thirteen thousand, nine hundred ninety-seven".