49283520 has 224 divisors, whose sum is σ = 184343040. Its totient is φ = 10997760.

The previous prime is 49283513. The next prime is 49283573. The reversal of 49283520 is 2538294.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

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, 137101 + ... + 137459.

It is an arithmetic number, because the mean of its divisors is an integer number (822960).

Almost surely, 2^49283520 is an apocalyptic number.

49283520 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 49283520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92171520).

49283520 is an abundant number, since it is smaller than the sum of its proper divisors (135059520).

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

49283520 is a wasteful number, since it uses less digits than its factorization.

49283520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 49283520 is about 7020.2222187050. Note that the first 4 decimals coincide. The cubic root of 49283520 is about 366.6349871620.

It can be divided in two parts, 4928 and 3520, that added together give a palindrome (8448).

The spelling of 49283520 in words is "forty-nine million, two hundred eighty-three thousand, five hundred twenty".