55031150837655 has 16 divisors (see below), whose sum is σ = 97833157044960. Its totient is φ = 29349947113344.

The previous prime is 55031150837617. The next prime is 55031150837669. The reversal of 55031150837655 is 55673805113055.

55031150837655 is a `hidden beast` number, since 5 + 5 + 0 + 3 + 11 + 508 + 3 + 76 + 55 = 666.

It is not a de Polignac number, because 55031150837655 - 2³¹ = 55029003354007 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, 203819077042 + ... + 203819077311.

It is an arithmetic number, because the mean of its divisors is an integer number (6114572315310).

Almost surely, 2^{55031150837655} is an apocalyptic number.

55031150837655 is a deficient number, since it is larger than the sum of its proper divisors (42802006207305).

55031150837655 is a wasteful number, since it uses less digits than its factorization.

55031150837655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407638154367 (or 407638154361 counting only the distinct ones).

The product of its (nonzero) digits is 9450000, while the sum is 54.

The spelling of 55031150837655 in words is "fifty-five trillion, thirty-one billion, one hundred fifty million, eight hundred thirty-seven thousand, six hundred fifty-five".