49216538 has 32 divisors (see below), whose sum is σ = 87816960. Its totient is φ = 20240640.

The previous prime is 49216507. The next prime is 49216543. The reversal of 49216538 is 83561294.

It is a happy number.

It is a super-2 number, since 2×49216538² = 4844535225410888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97595 + ... + 98097.

It is an arithmetic number, because the mean of its divisors is an integer number (2744280).

Almost surely, 2^49216538 is an apocalyptic number.

49216538 is a deficient number, since it is larger than the sum of its proper divisors (38600422).

49216538 is a wasteful number, since it uses less digits than its factorization.

49216538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782.

The product of its digits is 51840, while the sum is 38.

The square root of 49216538 is about 7015.4499499319. The cubic root of 49216538 is about 366.4688120808.

The spelling of 49216538 in words is "forty-nine million, two hundred sixteen thousand, five hundred thirty-eight".