54481808787 has 32 divisors (see below), whose sum is σ = 86758121472. Its totient is φ = 29761439904.

The previous prime is 54481808737. The next prime is 54481808791. The reversal of 54481808787 is 78780818445.

It is not a de Polignac number, because 54481808787 - 2¹⁴ = 54481792403 is a prime.

It is a super-2 number, since 2×54481808787² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54481808787.

It is not an unprimeable number, because it can be changed into a prime (54481808737) 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, 599413 + ... + 684294.

It is an arithmetic number, because the mean of its divisors is an integer number (2711191296).

Almost surely, 2^54481808787 is an apocalyptic number.

54481808787 is a deficient number, since it is larger than the sum of its proper divisors (32276312685).

54481808787 is a wasteful number, since it uses less digits than its factorization.

54481808787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283807.

The product of its (nonzero) digits is 16056320, while the sum is 60.

The spelling of 54481808787 in words is "fifty-four billion, four hundred eighty-one million, eight hundred eight thousand, seven hundred eighty-seven".