55276344 has 40 divisors (see below), whose sum is σ = 154826760. Its totient is φ = 18425232.

The previous prime is 55276343. The next prime is 55276363. The reversal of 55276344 is 44367255.

55276344 is a `hidden beast` number, since 552 + 7 + 63 + 44 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 55276299 and 55276308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55276343) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 42004 + ... + 43299.

It is an arithmetic number, because the mean of its divisors is an integer number (3870669).

Almost surely, 2^55276344 is an apocalyptic number.

55276344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55276344 is an abundant number, since it is smaller than the sum of its proper divisors (99550416).

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

55276344 is a wasteful number, since it uses less digits than its factorization.

55276344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85321 (or 85308 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 55276344 is about 7434.8062516787. The cubic root of 55276344 is about 380.9311054051.

The spelling of 55276344 in words is "fifty-five million, two hundred seventy-six thousand, three hundred forty-four".