55987202 has 4 divisors (see below), whose sum is σ = 83980806. Its totient is φ = 27993600.

The previous prime is 55987201. The next prime is 55987207. The reversal of 55987202 is 20278955.

55987202 = 4319² + 4320² + 4321².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20278955 = 5 ⋅4055791.

It can be written as a sum of positive squares in only one way, i.e., 52258441 + 3728761 = 7229^2 + 1931^2 .

It is not an unprimeable number, because it can be changed into a prime (55987201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13996799 + ... + 13996802.

Almost surely, 2^55987202 is an apocalyptic number.

55987202 is a deficient number, since it is larger than the sum of its proper divisors (27993604).

55987202 is a wasteful number, since it uses less digits than its factorization.

55987202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27993603.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 55987202 is about 7482.4596223434. The cubic root of 55987202 is about 382.5570894610.

The spelling of 55987202 in words is "fifty-five million, nine hundred eighty-seven thousand, two hundred two".