54691942 has 4 divisors (see below), whose sum is σ = 82037916. Its totient is φ = 27345970.

The previous prime is 54691933. The next prime is 54691943. The reversal of 54691942 is 24919645.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 54691895 and 54691904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54691943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13672984 + ... + 13672987.

It is an arithmetic number, because the mean of its divisors is an integer number (20509479).

Almost surely, 2^54691942 is an apocalyptic number.

54691942 is a deficient number, since it is larger than the sum of its proper divisors (27345974).

54691942 is a wasteful number, since it uses less digits than its factorization.

54691942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27345973.

The product of its digits is 77760, while the sum is 40.

The square root of 54691942 is about 7395.4000567921. The cubic root of 54691942 is about 379.5838981801.

The spelling of 54691942 in words is "fifty-four million, six hundred ninety-one thousand, nine hundred forty-two".