55059616 has 12 divisors (see below), whose sum is σ = 108398682. Its totient is φ = 27529792.

The previous prime is 55059569. The next prime is 55059629. The reversal of 55059616 is 61695055.

It can be written as a sum of positive squares in only one way, i.e., 49280400 + 5779216 = 7020^2 + 2404^2 .

It is a super-2 number, since 2×55059616² = 6063122628134912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 860275 + ... + 860338.

Almost surely, 2^55059616 is an apocalyptic number.

It is an amenable number.

55059616 is a deficient number, since it is larger than the sum of its proper divisors (53339066).

55059616 is a wasteful number, since it uses less digits than its factorization.

55059616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720623 (or 1720615 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 55059616 is about 7420.2167084257. The cubic root of 55059616 is about 380.4326005903.

The spelling of 55059616 in words is "fifty-five million, fifty-nine thousand, six hundred sixteen".