54512951958 has 24 divisors (see below), whose sum is σ = 123246674928. Its totient is φ = 17380941072.

The previous prime is 54512951917. The next prime is 54512951989. The reversal of 54512951958 is 85915921545.

54512951958 is a `hidden beast` number, since 5 + 4 + 51 + 29 + 519 + 58 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65836485 + ... + 65837312.

It is an arithmetic number, because the mean of its divisors is an integer number (5135278122).

Almost surely, 2^54512951958 is an apocalyptic number.

54512951958 is an abundant number, since it is smaller than the sum of its proper divisors (68733722970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54512951958 is a wasteful number, since it uses less digits than its factorization.

54512951958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131673828 (or 131673825 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 54.

It can be divided in two parts, 5451295 and 1958, that added together give a triangular number (5453253 = T₃₃₀₂).

The spelling of 54512951958 in words is "fifty-four billion, five hundred twelve million, nine hundred fifty-one thousand, nine hundred fifty-eight".