49211657 has 8 divisors (see below), whose sum is σ = 53739840. Its totient is φ = 44692560.

The previous prime is 49211641. The next prime is 49211671. The reversal of 49211657 is 75611294.

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

It is not a de Polignac number, because 49211657 - 2⁴ = 49211641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49211627) 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, 14444 + ... + 17522.

It is an arithmetic number, because the mean of its divisors is an integer number (6717480).

Almost surely, 2^49211657 is an apocalyptic number.

It is an amenable number.

49211657 is a deficient number, since it is larger than the sum of its proper divisors (4528183).

49211657 is a wasteful number, since it uses less digits than its factorization.

49211657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543.

The product of its digits is 15120, while the sum is 35.

The square root of 49211657 is about 7015.1020662568. The cubic root of 49211657 is about 366.4566969566.

The spelling of 49211657 in words is "forty-nine million, two hundred eleven thousand, six hundred fifty-seven".