54863642 has 8 divisors (see below), whose sum is σ = 82358100. Its totient is φ = 27410944.

The previous prime is 54863629. The next prime is 54863651. The reversal of 54863642 is 24636845.

It can be written as a sum of positive squares in 2 ways, for example, as 46389721 + 8473921 = 6811^2 + 2911^2 .

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 = 54863596 and 54863605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6917 + ... + 12552.

Almost surely, 2^54863642 is an apocalyptic number.

54863642 is a deficient number, since it is larger than the sum of its proper divisors (27494458).

54863642 is a wasteful number, since it uses less digits than its factorization.

54863642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20880.

The product of its digits is 138240, while the sum is 38.

The square root of 54863642 is about 7406.9995274740. Note that the first 3 decimals coincide. The cubic root of 54863642 is about 379.9807053915.

The spelling of 54863642 in words is "fifty-four million, eight hundred sixty-three thousand, six hundred forty-two".