49971504 has 160 divisors (see below), whose sum is σ = 150847488. Its totient is φ = 14112000.

The previous prime is 49971503. The next prime is 49971511. The reversal of 49971504 is 40517994.

It is not an unprimeable number, because it can be changed into a prime (49971503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 703789 + ... + 703859.

Almost surely, 2^49971504 is an apocalyptic number.

49971504 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49971504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75423744).

49971504 is an abundant number, since it is smaller than the sum of its proper divisors (100875984).

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

49971504 is a wasteful number, since it uses less digits than its factorization.

49971504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 49971504 is about 7069.0525532068. The cubic root of 49971504 is about 368.3331497898. Note that the first 3 decimals are identical.

The spelling of 49971504 in words is "forty-nine million, nine hundred seventy-one thousand, five hundred four".