49518520 has 16 divisors (see below), whose sum is σ = 111416760. Its totient is φ = 19807392.

The previous prime is 49518493. The next prime is 49518551. The reversal of 49518520 is 2581594.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618942 + ... + 619021.

Almost surely, 2^49518520 is an apocalyptic number.

49518520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49518520 is an abundant number, since it is smaller than the sum of its proper divisors (61898240).

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

49518520 is a wasteful number, since it uses less digits than its factorization.

49518520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237974 (or 1237970 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 49518520 is about 7036.9396757397. The cubic root of 49518520 is about 367.2168086881.

The spelling of 49518520 in words is "forty-nine million, five hundred eighteen thousand, five hundred twenty".