49139224 has 32 divisors (see below), whose sum is σ = 99468000. Its totient is φ = 22688512.

The previous prime is 49139213. The next prime is 49139243. The reversal of 49139224 is 42293194.

It is a super-5 number, since 5×49139224⁵ (a number of 40 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49139224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732 + ... + 9940.

It is an arithmetic number, because the mean of its divisors is an integer number (3108375).

Almost surely, 2^49139224 is an apocalyptic number.

It is an amenable number.

49139224 is an abundant number, since it is smaller than the sum of its proper divisors (50328776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49139224 is a wasteful number, since it uses less digits than its factorization.

49139224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9267 (or 9263 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 49139224 is about 7009.9375175532. The cubic root of 49139224 is about 366.2768168695.

The spelling of 49139224 in words is "forty-nine million, one hundred thirty-nine thousand, two hundred twenty-four".