55528902 has 192 divisors, whose sum is σ = 158505984. Its totient is φ = 14307840.

The previous prime is 55528901. The next prime is 55528903. The reversal of 55528902 is 20982555.

It is an interprime number because it is at equal distance from previous prime (55528901) and next prime (55528903).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55528901) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1181443 + ... + 1181489.

It is an arithmetic number, because the mean of its divisors is an integer number (825552).

Almost surely, 2^55528902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55528902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79252992).

55528902 is an abundant number, since it is smaller than the sum of its proper divisors (102977082).

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

55528902 is a wasteful number, since it uses less digits than its factorization.

55528902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 55528902 is about 7451.7717356344. The cubic root of 55528902 is about 381.5103830139.

The spelling of 55528902 in words is "fifty-five million, five hundred twenty-eight thousand, nine hundred two".