54561654 has 128 divisors (see below), whose sum is σ = 149299200. Its totient is φ = 14424480.

The previous prime is 54561649. The next prime is 54561659. The reversal of 54561654 is 45616545.

54561654 is a `hidden beast` number, since 545 + 61 + 6 + 54 = 666.

It is an interprime number because it is at equal distance from previous prime (54561649) and next prime (54561659).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54561659) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 509869 + ... + 509975.

It is an arithmetic number, because the mean of its divisors is an integer number (1166400).

Almost surely, 2^54561654 is an apocalyptic number.

54561654 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54561654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74649600).

54561654 is an abundant number, since it is smaller than the sum of its proper divisors (94737546).

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

54561654 is a wasteful number, since it uses less digits than its factorization.

54561654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 209 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 54561654 is about 7386.5860856014. The cubic root of 54561654 is about 379.2822416156.

The spelling of 54561654 in words is "fifty-four million, five hundred sixty-one thousand, six hundred fifty-four".