55290102 has 16 divisors (see below), whose sum is σ = 126377472. Its totient is φ = 15797160.

The previous prime is 55290101. The next prime is 55290119. The reversal of 55290102 is 20109255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55290101) 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, 658174 + ... + 658257.

It is an arithmetic number, because the mean of its divisors is an integer number (7898592).

Almost surely, 2^55290102 is an apocalyptic number.

55290102 is an abundant number, since it is smaller than the sum of its proper divisors (71087370).

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

55290102 is a wasteful number, since it uses less digits than its factorization.

55290102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316443.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 55290102 is about 7435.7314367855. The cubic root of 55290102 is about 380.9627067196.

Adding to 55290102 its reverse (20109255), we get a palindrome (75399357).

The spelling of 55290102 in words is "fifty-five million, two hundred ninety thousand, one hundred two".