55503015 has 16 divisors (see below), whose sum is σ = 88905600. Its totient is φ = 29568032.

The previous prime is 55502987. The next prime is 55503037. The reversal of 55503015 is 51030555.

It is a cyclic number.

It is not a de Polignac number, because 55503015 - 2¹³ = 55494823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17416 + ... + 20354.

It is an arithmetic number, because the mean of its divisors is an integer number (5556600).

Almost surely, 2^55503015 is an apocalyptic number.

55503015 is a deficient number, since it is larger than the sum of its proper divisors (33402585).

55503015 is a wasteful number, since it uses less digits than its factorization.

55503015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206.

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 55503015 is about 7450.0345636782. The cubic root of 55503015 is about 381.4510884001.

The spelling of 55503015 in words is "fifty-five million, five hundred three thousand, fifteen".