55084380 has 48 divisors (see below), whose sum is σ = 166102944. Its totient is φ = 13559040.

The previous prime is 55084373. The next prime is 55084387. The reversal of 55084380 is 8348055.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55084373) and next prime (55084387).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55084387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34531 + ... + 36090.

It is an arithmetic number, because the mean of its divisors is an integer number (3460478).

Almost surely, 2^55084380 is an apocalyptic number.

It is an amenable number.

55084380 is an abundant number, since it is smaller than the sum of its proper divisors (111018564).

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

55084380 is a wasteful number, since it uses less digits than its factorization.

55084380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70646 (or 70644 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 55084380 is about 7421.8852052561. The cubic root of 55084380 is about 380.4896273886.

The spelling of 55084380 in words is "fifty-five million, eighty-four thousand, three hundred eighty".