55748542 has 8 divisors (see below), whose sum is σ = 88541856. Its totient is φ = 26234592.

The previous prime is 55748531. The next prime is 55748579. The reversal of 55748542 is 24584755.

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 = 55748495 and 55748504.

It is a congruent number.

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, 819798 + ... + 819865.

It is an arithmetic number, because the mean of its divisors is an integer number (11067732).

Almost surely, 2^55748542 is an apocalyptic number.

55748542 is a deficient number, since it is larger than the sum of its proper divisors (32793314).

55748542 is a wasteful number, since it uses less digits than its factorization.

55748542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639682.

The product of its digits is 224000, while the sum is 40.

The square root of 55748542 is about 7466.4946259942. The cubic root of 55748542 is about 382.0127322310.

The spelling of 55748542 in words is "fifty-five million, seven hundred forty-eight thousand, five hundred forty-two".