55801742 has 8 divisors (see below), whose sum is σ = 86589000. Its totient is φ = 26938744.

The previous prime is 55801723. The next prime is 55801747. The reversal of 55801742 is 24710855.

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

It is a super-2 number, since 2×55801742² = 6227668820469128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55801699 and 55801708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55801747) 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, 480992 + ... + 481107.

It is an arithmetic number, because the mean of its divisors is an integer number (10823625).

Almost surely, 2^55801742 is an apocalyptic number.

55801742 is a deficient number, since it is larger than the sum of its proper divisors (30787258).

55801742 is a wasteful number, since it uses less digits than its factorization.

55801742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962130.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 55801742 is about 7470.0563585558. The cubic root of 55801742 is about 382.1342099437.

The spelling of 55801742 in words is "fifty-five million, eight hundred one thousand, seven hundred forty-two".