55971602 has 8 divisors (see below), whose sum is σ = 86226636. Its totient is φ = 27229392.

The previous prime is 55971583. The next prime is 55971611. The reversal of 55971602 is 20617955.

It can be written as a sum of positive squares in 2 ways, for example, as 55965361 + 6241 = 7481^2 + 79^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378113 + ... + 378260.

Almost surely, 2^55971602 is an apocalyptic number.

55971602 is a deficient number, since it is larger than the sum of its proper divisors (30255034).

55971602 is a wasteful number, since it uses less digits than its factorization.

55971602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756412.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 55971602 is about 7481.4171117510. The cubic root of 55971602 is about 382.5215548820.

The spelling of 55971602 in words is "fifty-five million, nine hundred seventy-one thousand, six hundred two".