55751582 has 4 divisors (see below), whose sum is σ = 83627376. Its totient is φ = 27875790.

The previous prime is 55751581. The next prime is 55751593. The reversal of 55751582 is 28515755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28515755 = 5 ⋅5703151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55751581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13937894 + ... + 13937897.

It is an arithmetic number, because the mean of its divisors is an integer number (20906844).

Almost surely, 2^55751582 is an apocalyptic number.

55751582 is a deficient number, since it is larger than the sum of its proper divisors (27875794).

55751582 is a wasteful number, since it uses less digits than its factorization.

55751582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27875793.

The product of its digits is 70000, while the sum is 38.

The square root of 55751582 is about 7466.6981993382. The cubic root of 55751582 is about 382.0196758960.

The spelling of 55751582 in words is "fifty-five million, seven hundred fifty-one thousand, five hundred eighty-two".