49405553 has 8 divisors (see below), whose sum is σ = 52540488. Its totient is φ = 46296064.

The previous prime is 49405549. The next prime is 49405571. The reversal of 49405553 is 35550494.

It can be written as a sum of positive squares in 4 ways, for example, as 10679824 + 38725729 = 3268^2 + 6223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49405553 - 2² = 49405549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49405583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2276 + ... + 10197.

It is an arithmetic number, because the mean of its divisors is an integer number (6567561).

Almost surely, 2^49405553 is an apocalyptic number.

It is an amenable number.

49405553 is a deficient number, since it is larger than the sum of its proper divisors (3134935).

49405553 is a wasteful number, since it uses less digits than its factorization.

49405553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12723.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 49405553 is about 7028.9083789732. The cubic root of 49405553 is about 366.9373511793.

The spelling of 49405553 in words is "forty-nine million, four hundred five thousand, five hundred fifty-three".