54999142 has 16 divisors (see below), whose sum is σ = 90184464. Its totient is φ = 24948000.

The previous prime is 54999137. The next prime is 54999143. The reversal of 54999142 is 24199945.

54999142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54999143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9592 + ... + 14212.

It is an arithmetic number, because the mean of its divisors is an integer number (5636529).

Almost surely, 2^54999142 is an apocalyptic number.

54999142 is a deficient number, since it is larger than the sum of its proper divisors (35185322).

54999142 is a wasteful number, since it uses less digits than its factorization.

54999142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175.

The product of its digits is 116640, while the sum is 43.

The square root of 54999142 is about 7416.1406405219. The cubic root of 54999142 is about 380.2932685306.

It can be divided in two parts, 5499 and 9142, that added together give a palindrome (14641).

The spelling of 54999142 in words is "fifty-four million, nine hundred ninety-nine thousand, one hundred forty-two".