55015636 has 12 divisors (see below), whose sum is σ = 103683412. Its totient is φ = 25391808.

The previous prime is 55015627. The next prime is 55015651. The reversal of 55015636 is 63651055.

It can be written as a sum of positive squares in 2 ways, for example, as 26071236 + 28944400 = 5106^2 + 5380^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55015598 and 55015607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528945 + ... + 529048.

Almost surely, 2^55015636 is an apocalyptic number.

It is an amenable number.

55015636 is a deficient number, since it is larger than the sum of its proper divisors (48667776).

55015636 is a wasteful number, since it uses less digits than its factorization.

55015636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058010 (or 1058008 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55015636 is about 7417.2525910879. The cubic root of 55015636 is about 380.3312808220.

The spelling of 55015636 in words is "fifty-five million, fifteen thousand, six hundred thirty-six".