55201956 has 12 divisors (see below), whose sum is σ = 128804592. Its totient is φ = 18400648.

The previous prime is 55201933. The next prime is 55201957. The reversal of 55201956 is 65910255.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (55201957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300070 + ... + 2300093.

It is an arithmetic number, because the mean of its divisors is an integer number (10733716).

Almost surely, 2^55201956 is an apocalyptic number.

It is an amenable number.

55201956 is an abundant number, since it is smaller than the sum of its proper divisors (73602636).

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

55201956 is a wasteful number, since it uses less digits than its factorization.

55201956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600170 (or 4600168 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 55201956 is about 7429.8018816116. The cubic root of 55201956 is about 380.7601496708.

The spelling of 55201956 in words is "fifty-five million, two hundred one thousand, nine hundred fifty-six".