49549320 has 160 divisors (see below), whose sum is σ = 171060120. Its totient is φ = 12856320.

The previous prime is 49549289. The next prime is 49549391. The reversal of 49549320 is 2394594.

It can be written as a sum of positive squares in 4 ways, for example, as 27815076 + 21734244 = 5274^2 + 4662^2 .

It is a super-2 number, since 2×49549320² = 4910270224924800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 132654 + ... + 133026.

Almost surely, 2^49549320 is an apocalyptic number.

49549320 is a gapful number since it is divisible by the number (40) 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 49549320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85530060).

49549320 is an abundant number, since it is smaller than the sum of its proper divisors (121510800).

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

49549320 is a wasteful number, since it uses less digits than its factorization.

49549320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 49549320 is about 7039.1277868781. The cubic root of 49549320 is about 367.2929279095.

The spelling of 49549320 in words is "forty-nine million, five hundred forty-nine thousand, three hundred twenty".