54433531415 has 4 divisors (see below), whose sum is σ = 65320237704. Its totient is φ = 43546825128.

The previous prime is 54433531381. The next prime is 54433531423. The reversal of 54433531415 is 51413533445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54433531415 - 2¹² = 54433527319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5443353137 + ... + 5443353146.

It is an arithmetic number, because the mean of its divisors is an integer number (16330059426).

Almost surely, 2^54433531415 is an apocalyptic number.

54433531415 is a deficient number, since it is larger than the sum of its proper divisors (10886706289).

54433531415 is a wasteful number, since it uses less digits than its factorization.

54433531415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10886706288.

The product of its digits is 216000, while the sum is 38.

The spelling of 54433531415 in words is "fifty-four billion, four hundred thirty-three million, five hundred thirty-one thousand, four hundred fifteen".