55851626 has 4 divisors (see below), whose sum is σ = 83777442. Its totient is φ = 27925812.

The previous prime is 55851619. The next prime is 55851629. The reversal of 55851626 is 62615855.

55851626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 33051001 + 22800625 = 5749^2 + 4775^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55851626.

It is not an unprimeable number, because it can be changed into a prime (55851629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13962905 + ... + 13962908.

Almost surely, 2^55851626 is an apocalyptic number.

55851626 is a deficient number, since it is larger than the sum of its proper divisors (27925816).

55851626 is a wasteful number, since it uses less digits than its factorization.

55851626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27925815.

The product of its digits is 72000, while the sum is 38.

The square root of 55851626 is about 7473.3945433116. The cubic root of 55851626 is about 382.2480457296.

The spelling of 55851626 in words is "fifty-five million, eight hundred fifty-one thousand, six hundred twenty-six".