49920975 has 48 divisors (see below), whose sum is σ = 98778400. Its totient is φ = 24572160.

The previous prime is 49920973. The next prime is 49920989. The reversal of 49920975 is 57902994.

It is not a de Polignac number, because 49920975 - 2¹ = 49920973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 49920975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49920973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5931 + ... + 11619.

Almost surely, 2^49920975 is an apocalyptic number.

49920975 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49920975 is a deficient number, since it is larger than the sum of its proper divisors (48857425).

49920975 is a wasteful number, since it uses less digits than its factorization.

49920975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721 (or 5710 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 49920975 is about 7065.4776908571. The cubic root of 49920975 is about 368.2089604632.

The spelling of 49920975 in words is "forty-nine million, nine hundred twenty thousand, nine hundred seventy-five".