49539408 has 20 divisors (see below), whose sum is σ = 127976928. Its totient is φ = 16513120.

The previous prime is 49539379. The next prime is 49539419. The reversal of 49539408 is 80493594.

It is a self number, because there is not a number n which added to its sum of digits gives 49539408.

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, 515988 + ... + 516083.

Almost surely, 2^49539408 is an apocalyptic number.

49539408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49539408 is an abundant number, since it is smaller than the sum of its proper divisors (78437520).

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

49539408 is a wasteful number, since it uses less digits than its factorization.

49539408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032082 (or 1032076 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 49539408 is about 7038.4236871618. The cubic root of 49539408 is about 367.2684348032.

It can be divided in two parts, 495 and 39408, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 49539408 in words is "forty-nine million, five hundred thirty-nine thousand, four hundred eight".