49351530 has 64 divisors (see below), whose sum is σ = 123222528. Its totient is φ = 12640320.

The previous prime is 49351517. The next prime is 49351543. The reversal of 49351530 is 3515394.

49351530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49351517) and next prime (49351543).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86145 + ... + 86715.

It is an arithmetic number, because the mean of its divisors is an integer number (1925352).

Almost surely, 2^49351530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49351530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61611264).

49351530 is an abundant number, since it is smaller than the sum of its proper divisors (73870998).

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

49351530 is a wasteful number, since it uses less digits than its factorization.

49351530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 49351530 is about 7025.0644125161. The cubic root of 49351530 is about 366.8035586199.

The spelling of 49351530 in words is "forty-nine million, three hundred fifty-one thousand, five hundred thirty".