55875626 has 4 divisors (see below), whose sum is σ = 83813442. Its totient is φ = 27937812.

The previous prime is 55875613. The next prime is 55875629. The reversal of 55875626 is 62657855.

It is a Cunningham number, because it is equal to 7475²+1.

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., 55875625 + 1 = 7475^2 + 1^2 .

It is not an unprimeable number, because it can be changed into a prime (55875629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13968905 + ... + 13968908.

Almost surely, 2^55875626 is an apocalyptic number.

55875626 is a deficient number, since it is larger than the sum of its proper divisors (27937816).

55875626 is a wasteful number, since it uses less digits than its factorization.

55875626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27937815.

The product of its digits is 504000, while the sum is 44.

The square root of 55875626 is about 7475.0000668896. Note that the first 4 decimals coincide. The cubic root of 55875626 is about 382.3027898199.

The spelling of 55875626 in words is "fifty-five million, eight hundred seventy-five thousand, six hundred twenty-six".