55798136 has 32 divisors (see below), whose sum is σ = 111792000. Its totient is φ = 26031456.

The previous prime is 55798123. The next prime is 55798139. The reversal of 55798136 is 63189755.

It is a super-2 number, since 2×55798136² = 6226863962148992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55798139) 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, 7445 + ... + 12923.

It is an arithmetic number, because the mean of its divisors is an integer number (3493500).

Almost surely, 2^55798136 is an apocalyptic number.

It is an amenable number.

55798136 is an abundant number, since it is smaller than the sum of its proper divisors (55993864).

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

55798136 is a wasteful number, since it uses less digits than its factorization.

55798136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571 (or 5567 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The square root of 55798136 is about 7469.8149910155. The cubic root of 55798136 is about 382.1259783868.

The spelling of 55798136 in words is "fifty-five million, seven hundred ninety-eight thousand, one hundred thirty-six".