49542111 has 22 divisors (see below), whose sum is σ = 74401320. Its totient is φ = 32988708.

The previous prime is 49542109. The next prime is 49542113. The reversal of 49542111 is 11124594.

49542111 is a `hidden beast` number, since 4 + 9 + 542 + 111 = 666.

It is an interprime number because it is at equal distance from previous prime (49542109) and next prime (49542113).

It is not a de Polignac number, because 49542111 - 2¹ = 49542109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49542113) by changing a digit.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 58630 + ... + 59468.

Almost surely, 2^49542111 is an apocalyptic number.

49542111 is a deficient number, since it is larger than the sum of its proper divisors (24859209).

49542111 is an frugal number, since it uses more digits than its factorization.

49542111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 842 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 49542111 is about 7038.6157019687. The cubic root of 49542111 is about 367.2751143913.

The spelling of 49542111 in words is "forty-nine million, five hundred forty-two thousand, one hundred eleven".