49539680 has 24 divisors (see below), whose sum is σ = 117037872. Its totient is φ = 19815808.

The previous prime is 49539671. The next prime is 49539689. The reversal of 49539680 is 8693594.

It is an interprime number because it is at equal distance from previous prime (49539671) and next prime (49539689).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49539689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154652 + ... + 154971.

It is an arithmetic number, because the mean of its divisors is an integer number (4876578).

Almost surely, 2^49539680 is an apocalyptic number.

49539680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49539680 is an abundant number, since it is smaller than the sum of its proper divisors (67498192).

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

49539680 is a wasteful number, since it uses less digits than its factorization.

49539680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309638 (or 309630 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 49539680 is about 7038.4430096435. The cubic root of 49539680 is about 367.2691069740.

The spelling of 49539680 in words is "forty-nine million, five hundred thirty-nine thousand, six hundred eighty".