49183530 has 64 divisors (see below), whose sum is σ = 130111488. Its totient is φ = 11799360.

The previous prime is 49183517. The next prime is 49183543. The reversal of 49183530 is 3538194.

It is an interprime number because it is at equal distance from previous prime (49183517) and next prime (49183543).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 49183491 and 49183500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33267 + ... + 34713.

It is an arithmetic number, because the mean of its divisors is an integer number (2032992).

Almost surely, 2^49183530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49183530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65055744).

49183530 is an abundant number, since it is smaller than the sum of its proper divisors (80927958).

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

49183530 is a wasteful number, since it uses less digits than its factorization.

49183530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 49183530 is about 7013.0970334083. The cubic root of 49183530 is about 366.3868673506.

It can be divided in two parts, 4918 and 3530, that added together give a palindrome (8448).

The spelling of 49183530 in words is "forty-nine million, one hundred eighty-three thousand, five hundred thirty".