54406534787 has 4 divisors (see below), whose sum is σ = 59352583416. Its totient is φ = 49460486160.

The previous prime is 54406534747. The next prime is 54406534823. The reversal of 54406534787 is 78743560445.

54406534787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 54406534787 - 2²² = 54402340483 is a prime.

It is a super-2 number, since 2×54406534787² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54406534747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2473024298 + ... + 2473024319.

It is an arithmetic number, because the mean of its divisors is an integer number (14838145854).

Almost surely, 2^54406534787 is an apocalyptic number.

54406534787 is a deficient number, since it is larger than the sum of its proper divisors (4946048629).

54406534787 is a wasteful number, since it uses less digits than its factorization.

54406534787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946048628.

The product of its (nonzero) digits is 11289600, while the sum is 53.

The spelling of 54406534787 in words is "fifty-four billion, four hundred six million, five hundred thirty-four thousand, seven hundred eighty-seven".