55615396 has 6 divisors (see below), whose sum is σ = 97326950. Its totient is φ = 27807696.

The previous prime is 55615387. The next prime is 55615409. The reversal of 55615396 is 69351655.

55615396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 55502500 + 112896 = 7450^2 + 336^2 .

It is an unprimeable number.

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, 6951921 + ... + 6951928.

Almost surely, 2^55615396 is an apocalyptic number.

It is an amenable number.

55615396 is a deficient number, since it is larger than the sum of its proper divisors (41711554).

55615396 is a wasteful number, since it uses less digits than its factorization.

55615396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13903853 (or 13903851 counting only the distinct ones).

The product of its digits is 121500, while the sum is 40.

The square root of 55615396 is about 7457.5730636716. The cubic root of 55615396 is about 381.7083654429.

The spelling of 55615396 in words is "fifty-five million, six hundred fifteen thousand, three hundred ninety-six".