54561276 has 144 divisors (see below), whose sum is σ = 178563840. Its totient is φ = 14171760.

The previous prime is 54561257. The next prime is 54561277. The reversal of 54561276 is 67216545.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 54561276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54561277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4960111 + ... + 4960121.

Almost surely, 2^54561276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54561276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89281920).

54561276 is an abundant number, since it is smaller than the sum of its proper divisors (124002564).

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

54561276 is an equidigital number, since it uses as much as digits as its factorization.

54561276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 23 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 54561276 is about 7386.5604986353. The cubic root of 54561276 is about 379.2813657317.

The spelling of 54561276 in words is "fifty-four million, five hundred sixty-one thousand, two hundred seventy-six".