55031315 has 8 divisors (see below), whose sum is σ = 69513360. Its totient is φ = 41707872.

The previous prime is 55031311. The next prime is 55031371. The reversal of 55031315 is 51313055.

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

It is a cyclic number.

It is not a de Polignac number, because 55031315 - 2² = 55031311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55031311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289544 + ... + 289733.

It is an arithmetic number, because the mean of its divisors is an integer number (8689170).

Almost surely, 2^55031315 is an apocalyptic number.

55031315 is a deficient number, since it is larger than the sum of its proper divisors (14482045).

55031315 is a wasteful number, since it uses less digits than its factorization.

55031315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579301.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 55031315 is about 7418.3094435323. The cubic root of 55031315 is about 380.3674078105.

The spelling of 55031315 in words is "fifty-five million, thirty-one thousand, three hundred fifteen".