55910484 has 144 divisors (see below), whose sum is σ = 176956416. Its totient is φ = 14515200.

The previous prime is 55910473. The next prime is 55910489. The reversal of 55910484 is 48401955.

It is a super-2 number, since 2×55910484² = 6251964442228512, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55910489) 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, 132594 + ... + 133014.

It is an arithmetic number, because the mean of its divisors is an integer number (1228864).

Almost surely, 2^55910484 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 55910484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88478208).

55910484 is an abundant number, since it is smaller than the sum of its proper divisors (121045932).

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

55910484 is a wasteful number, since it uses less digits than its factorization.

55910484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 55910484 is about 7477.3313421300. The cubic root of 55910484 is about 382.3822731376.

The spelling of 55910484 in words is "fifty-five million, nine hundred ten thousand, four hundred eighty-four".