55051356 has 24 divisors (see below), whose sum is σ = 131587344. Its totient is φ = 17902720.

The previous prime is 55051343. The next prime is 55051369. The reversal of 55051356 is 65315055.

It is an interprime number because it is at equal distance from previous prime (55051343) and next prime (55051369).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55455 + ... + 56438.

It is an arithmetic number, because the mean of its divisors is an integer number (5482806).

Almost surely, 2^55051356 is an apocalyptic number.

It is an amenable number.

55051356 is an abundant number, since it is smaller than the sum of its proper divisors (76535988).

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

55051356 is a wasteful number, since it uses less digits than its factorization.

55051356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111941 (or 111939 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 55051356 is about 7419.6601000315. The cubic root of 55051356 is about 380.4135755730.

The spelling of 55051356 in words is "fifty-five million, fifty-one thousand, three hundred fifty-six".