49530420 has 144 divisors (see below), whose sum is σ = 160735680. Its totient is φ = 12659328.

The previous prime is 49530413. The next prime is 49530443. The reversal of 49530420 is 2403594.

It is a super-3 number, since 3×49530420³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 739227 + ... + 739293.

It is an arithmetic number, because the mean of its divisors is an integer number (1116220).

Almost surely, 2^49530420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49530420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80367840).

49530420 is an abundant number, since it is smaller than the sum of its proper divisors (111205260).

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

49530420 is a wasteful number, since it uses less digits than its factorization.

49530420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 49530420 is about 7037.7851629614. The cubic root of 49530420 is about 367.2462221280.

The spelling of 49530420 in words is "forty-nine million, five hundred thirty thousand, four hundred twenty".