55289758 has 4 divisors (see below), whose sum is σ = 82934640. Its totient is φ = 27644878.

The previous prime is 55289743. The next prime is 55289783. The reversal of 55289758 is 85798255.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 13822438 + ... + 13822441.

It is an arithmetic number, because the mean of its divisors is an integer number (20733660).

Almost surely, 2^55289758 is an apocalyptic number.

55289758 is a deficient number, since it is larger than the sum of its proper divisors (27644882).

55289758 is a wasteful number, since it uses less digits than its factorization.

55289758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27644881.

The product of its digits is 1008000, while the sum is 49.

The square root of 55289758 is about 7435.7083051986. The cubic root of 55289758 is about 380.9619166358.

The spelling of 55289758 in words is "fifty-five million, two hundred eighty-nine thousand, seven hundred fifty-eight".