55031115 has 8 divisors (see below), whose sum is σ = 88049808. Its totient is φ = 29349920.

The previous prime is 55031101. The next prime is 55031147. The reversal of 55031115 is 51113055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55031115 - 2⁵ = 55031083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55031091 and 55031100.

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, 1834356 + ... + 1834385.

It is an arithmetic number, because the mean of its divisors is an integer number (11006226).

Almost surely, 2^55031115 is an apocalyptic number.

55031115 is a deficient number, since it is larger than the sum of its proper divisors (33018693).

55031115 is a wasteful number, since it uses less digits than its factorization.

55031115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668749.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 55031115 is about 7418.2959633598. The cubic root of 55031115 is about 380.3669470209.

The spelling of 55031115 in words is "fifty-five million, thirty-one thousand, one hundred fifteen".