49489164 has 48 divisors (see below), whose sum is σ = 128701440. Its totient is φ = 16445520.

The previous prime is 49489163. The next prime is 49489171. The reversal of 49489164 is 46198494.

49489164 is a `hidden beast` number, since 4 + 9 + 489 + 164 = 666.

It is not an unprimeable number, because it can be changed into a prime (49489163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53869 + ... + 54779.

It is an arithmetic number, because the mean of its divisors is an integer number (2681280).

Almost surely, 2^49489164 is an apocalyptic number.

It is an amenable number.

49489164 is an abundant number, since it is smaller than the sum of its proper divisors (79212276).

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

49489164 is a wasteful number, since it uses less digits than its factorization.

49489164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427 (or 1419 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 49489164 is about 7034.8535165986. The cubic root of 49489164 is about 367.1442287889.

The spelling of 49489164 in words is "forty-nine million, four hundred eighty-nine thousand, one hundred sixty-four".