55711742 has 4 divisors (see below), whose sum is σ = 83567616. Its totient is φ = 27855870.

The previous prime is 55711741. The next prime is 55711763. The reversal of 55711742 is 24711755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24711755 = 5 ⋅4942351.

It is a junction number, because it is equal to n+sod(n) for n = 55711699 and 55711708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55711741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13927934 + ... + 13927937.

It is an arithmetic number, because the mean of its divisors is an integer number (20891904).

Almost surely, 2^55711742 is an apocalyptic number.

55711742 is a deficient number, since it is larger than the sum of its proper divisors (27855874).

55711742 is a wasteful number, since it uses less digits than its factorization.

55711742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27855873.

The product of its digits is 9800, while the sum is 32.

The square root of 55711742 is about 7464.0298766819. The cubic root of 55711742 is about 381.9286573090.

The spelling of 55711742 in words is "fifty-five million, seven hundred eleven thousand, seven hundred forty-two".