54407278692 has 96 divisors (see below), whose sum is σ = 152210338560. Its totient is φ = 16707202560.

The previous prime is 54407278657. The next prime is 54407278697. The reversal of 54407278692 is 29687270445.

54407278692 is a `hidden beast` number, since 5 + 440 + 72 + 78 + 69 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (54407278697) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 667692 + ... + 744732.

It is an arithmetic number, because the mean of its divisors is an integer number (1585524360).

Almost surely, 2^54407278692 is an apocalyptic number.

54407278692 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54407278692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76105169280).

54407278692 is an abundant number, since it is smaller than the sum of its proper divisors (97803059868).

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

54407278692 is a wasteful number, since it uses less digits than its factorization.

54407278692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77570 (or 77562 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 54407278692 in words is "fifty-four billion, four hundred seven million, two hundred seventy-eight thousand, six hundred ninety-two".