54253122015 has 32 divisors (see below), whose sum is σ = 91047951360. Its totient is φ = 27553958784.

The previous prime is 54253122013. The next prime is 54253122029. The reversal of 54253122015 is 51022135245.

It is not a de Polignac number, because 54253122015 - 2¹ = 54253122013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54253122013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1013845 + ... + 1066014.

It is an arithmetic number, because the mean of its divisors is an integer number (2845248480).

Almost surely, 2^54253122015 is an apocalyptic number.

54253122015 is a deficient number, since it is larger than the sum of its proper divisors (36794829345).

54253122015 is a wasteful number, since it uses less digits than its factorization.

54253122015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079951.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 54253122015 in words is "fifty-four billion, two hundred fifty-three million, one hundred twenty-two thousand, fifteen".