54694642 has 8 divisors (see below), whose sum is σ = 82516716. Its totient is φ = 27189072.

The previous prime is 54694543. The next prime is 54694649. The reversal of 54694642 is 24649645.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53304601 + 1390041 = 7301^2 + 1179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 54694595 and 54694604.

It is not an unprimeable number, because it can be changed into a prime (54694649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78693 + ... + 79384.

Almost surely, 2^54694642 is an apocalyptic number.

54694642 is a deficient number, since it is larger than the sum of its proper divisors (27822074).

54694642 is a wasteful number, since it uses less digits than its factorization.

54694642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158252.

The product of its digits is 207360, while the sum is 40.

The square root of 54694642 is about 7395.5826004447. The cubic root of 54694642 is about 379.5901444364.

The spelling of 54694642 in words is "fifty-four million, six hundred ninety-four thousand, six hundred forty-two".