49213520 has 40 divisors (see below), whose sum is σ = 114742656. Its totient is φ = 19630208.

The previous prime is 49213517. The next prime is 49213597. The reversal of 49213520 is 2531294.

49213520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 49213520.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 39629 + ... + 40851.

Almost surely, 2^49213520 is an apocalyptic number.

49213520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49213520 is an abundant number, since it is smaller than the sum of its proper divisors (65529136).

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

49213520 is a wasteful number, since it uses less digits than its factorization.

49213520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 49213520 is about 7015.2348499533. The cubic root of 49213520 is about 366.4613212012.

The spelling of 49213520 in words is "forty-nine million, two hundred thirteen thousand, five hundred twenty".