55615436 has 24 divisors (see below), whose sum is σ = 99628704. Its totient is φ = 27157760.

The previous prime is 55615423. The next prime is 55615453. The reversal of 55615436 is 63451655.

It is a junction number, because it is equal to n+sod(n) for n = 55615396 and 55615405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31226 + ... + 32958.

It is an arithmetic number, because the mean of its divisors is an integer number (4151196).

Almost surely, 2^55615436 is an apocalyptic number.

It is an amenable number.

55615436 is a deficient number, since it is larger than the sum of its proper divisors (44013268).

55615436 is a wasteful number, since it uses less digits than its factorization.

55615436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921 (or 1919 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The square root of 55615436 is about 7457.5757455087. The cubic root of 55615436 is about 381.7084569544.

The spelling of 55615436 in words is "fifty-five million, six hundred fifteen thousand, four hundred thirty-six".