49542405 has 32 divisors (see below), whose sum is σ = 91031040. Its totient is φ = 22754880.

The previous prime is 49542397. The next prime is 49542421. The reversal of 49542405 is 50424594.

It is not a de Polignac number, because 49542405 - 2³ = 49542397 is a prime.

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, 4767 + ... + 11036.

It is an arithmetic number, because the mean of its divisors is an integer number (2844720).

Almost surely, 2^49542405 is an apocalyptic number.

It is an amenable number.

49542405 is a deficient number, since it is larger than the sum of its proper divisors (41488635).

49542405 is a wasteful number, since it uses less digits than its factorization.

49542405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15841.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 49542405 is about 7038.6365867262. The cubic root of 49542405 is about 367.2758409024.

Adding to 49542405 its reverse (50424594), we get a palindrome (99966999).

The spelling of 49542405 in words is "forty-nine million, five hundred forty-two thousand, four hundred five".