54661626 has 12 divisors (see below), whose sum is σ = 118433562. Its totient is φ = 18220536.

The previous prime is 54661619. The next prime is 54661631. The reversal of 54661626 is 62616645.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36180225 + 18481401 = 6015^2 + 4299^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1518361 + ... + 1518396.

Almost surely, 2^54661626 is an apocalyptic number.

54661626 is an abundant number, since it is smaller than the sum of its proper divisors (63771936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54661626 is a wasteful number, since it uses less digits than its factorization.

54661626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036765 (or 3036762 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 54661626 is about 7393.3501202094. The cubic root of 54661626 is about 379.5137501723.

The spelling of 54661626 in words is "fifty-four million, six hundred sixty-one thousand, six hundred twenty-six".