54133512015 has 32 divisors (see below), whose sum is σ = 94641901056. Its totient is φ = 26203685760.

The previous prime is 54133511977. The next prime is 54133512061. The reversal of 54133512015 is 51021533145.

It is not a de Polignac number, because 54133512015 - 2⁹ = 54133511503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166459 + ... + 368748.

It is an arithmetic number, because the mean of its divisors is an integer number (2957559408).

Almost surely, 2^54133512015 is an apocalyptic number.

54133512015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54133512015 is a deficient number, since it is larger than the sum of its proper divisors (40508389041).

54133512015 is a wasteful number, since it uses less digits than its factorization.

54133512015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535839.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 54133512015 in words is "fifty-four billion, one hundred thirty-three million, five hundred twelve thousand, fifteen".