55488004 has 24 divisors (see below), whose sum is σ = 114081408. Its totient is φ = 23281440.

The previous prime is 55488001. The next prime is 55488007. The reversal of 55488004 is 40088455.

It is an interprime number because it is at equal distance from previous prime (55488001) and next prime (55488007).

It is not an unprimeable number, because it can be changed into a prime (55488001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47932 + ... + 49075.

It is an arithmetic number, because the mean of its divisors is an integer number (4753392).

Almost surely, 2^55488004 is an apocalyptic number.

It is an amenable number.

55488004 is an abundant number, since it is smaller than the sum of its proper divisors (58593404).

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

55488004 is a wasteful number, since it uses less digits than its factorization.

55488004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97035 (or 97033 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 55488004 is about 7449.0270505617. The cubic root of 55488004 is about 381.4166970037.

The spelling of 55488004 in words is "fifty-five million, four hundred eighty-eight thousand, four".