55626406 has 16 divisors (see below), whose sum is σ = 91864080. Its totient is φ = 25051680.

The previous prime is 55626383. The next prime is 55626407. The reversal of 55626406 is 60462655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55626407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9201 + ... + 13996.

It is an arithmetic number, because the mean of its divisors is an integer number (5741505).

Almost surely, 2^55626406 is an apocalyptic number.

55626406 is a deficient number, since it is larger than the sum of its proper divisors (36237674).

55626406 is a wasteful number, since it uses less digits than its factorization.

55626406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23319.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 55626406 is about 7458.3112029467. The cubic root of 55626406 is about 381.7335523043.

It can be divided in two parts, 556 and 26406, that added together give a palindrome (26962).

The spelling of 55626406 in words is "fifty-five million, six hundred twenty-six thousand, four hundred six".