49161788 has 24 divisors (see below), whose sum is σ = 94914960. Its totient is φ = 22135680.

The previous prime is 49161769. The next prime is 49161799. The reversal of 49161788 is 88716194.

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, 9398 + ... + 13661.

It is an arithmetic number, because the mean of its divisors is an integer number (3954790).

Almost surely, 2^49161788 is an apocalyptic number.

It is an amenable number.

49161788 is a deficient number, since it is larger than the sum of its proper divisors (45753172).

49161788 is a wasteful number, since it uses less digits than its factorization.

49161788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23117 (or 23115 counting only the distinct ones).

The product of its digits is 96768, while the sum is 44.

The square root of 49161788 is about 7011.5467623057. The cubic root of 49161788 is about 366.3328712441.

The spelling of 49161788 in words is "forty-nine million, one hundred sixty-one thousand, seven hundred eighty-eight".