55472984 has 16 divisors (see below), whose sum is σ = 118870800. Its totient is φ = 23774112.

The previous prime is 55472983. The next prime is 55473013. The reversal of 55472984 is 48927455.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55472983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495239 + ... + 495350.

It is an arithmetic number, because the mean of its divisors is an integer number (7429425).

Almost surely, 2^55472984 is an apocalyptic number.

It is an amenable number.

55472984 is an abundant number, since it is smaller than the sum of its proper divisors (63397816).

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

55472984 is a wasteful number, since it uses less digits than its factorization.

55472984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990602 (or 990598 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 55472984 is about 7448.0187969688. The cubic root of 55472984 is about 381.3822787789.

The spelling of 55472984 in words is "fifty-five million, four hundred seventy-two thousand, nine hundred eighty-four".