49972542 has 16 divisors (see below), whose sum is σ = 101584272. Its totient is φ = 16384320.

The previous prime is 49972541. The next prime is 49972567. The reversal of 49972542 is 24527994.

It is a junction number, because it is equal to n+sod(n) for n = 49972494 and 49972503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49972541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67903 + ... + 68634.

It is an arithmetic number, because the mean of its divisors is an integer number (6349017).

Almost surely, 2^49972542 is an apocalyptic number.

49972542 is an abundant number, since it is smaller than the sum of its proper divisors (51611730).

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

49972542 is a wasteful number, since it uses less digits than its factorization.

49972542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136603.

The product of its digits is 181440, while the sum is 42.

The square root of 49972542 is about 7069.1259714338. The cubic root of 49972542 is about 368.3357000910.

The spelling of 49972542 in words is "forty-nine million, nine hundred seventy-two thousand, five hundred forty-two".