55026542 has 4 divisors (see below), whose sum is σ = 82539816. Its totient is φ = 27513270.

The previous prime is 55026539. The next prime is 55026553. The reversal of 55026542 is 24562055.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13756634 + ... + 13756637.

It is an arithmetic number, because the mean of its divisors is an integer number (20634954).

Almost surely, 2^55026542 is an apocalyptic number.

55026542 is a deficient number, since it is larger than the sum of its proper divisors (27513274).

55026542 is a wasteful number, since it uses less digits than its factorization.

55026542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27513273.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 55026542 is about 7417.9877325323. The cubic root of 55026542 is about 380.3564107620.

Adding to 55026542 its reverse (24562055), we get a palindrome (79588597).

The spelling of 55026542 in words is "fifty-five million, twenty-six thousand, five hundred forty-two".