55776002 has 4 divisors (see below), whose sum is σ = 83664006. Its totient is φ = 27888000.

The previous prime is 55775969. The next prime is 55776013. The reversal of 55776002 is 20067755.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44209201 + 11566801 = 6649^2 + 3401^2 .

It is a super-2 number, since 2×55776002² = 6221924798208008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55776002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13943999 + ... + 13944002.

Almost surely, 2^55776002 is an apocalyptic number.

55776002 is a deficient number, since it is larger than the sum of its proper divisors (27888004).

55776002 is a wasteful number, since it uses less digits than its factorization.

55776002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27888003.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 55776002 is about 7468.3332812616. Note that the first 3 decimals coincide. The cubic root of 55776002 is about 382.0754444704.

The spelling of 55776002 in words is "fifty-five million, seven hundred seventy-six thousand, two".