49164951 has 24 divisors (see below), whose sum is σ = 75492864. Its totient is φ = 28221840.

The previous prime is 49164949. The next prime is 49164959. The reversal of 49164951 is 15946194.

It is not a de Polignac number, because 49164951 - 2¹ = 49164949 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49164959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9850 + ... + 13976.

It is an arithmetic number, because the mean of its divisors is an integer number (3145536).

Almost surely, 2^49164951 is an apocalyptic number.

49164951 is a deficient number, since it is larger than the sum of its proper divisors (26327913).

49164951 is a wasteful number, since it uses less digits than its factorization.

49164951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179 (or 4160 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 49164951 is about 7011.7723151854. The cubic root of 49164951 is about 366.3407275221.

The spelling of 49164951 in words is "forty-nine million, one hundred sixty-four thousand, nine hundred fifty-one".