55125506 has 4 divisors (see below), whose sum is σ = 82688262. Its totient is φ = 27562752.

The previous prime is 55125487. The next prime is 55125547. The reversal of 55125506 is 60552155.

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., 33120025 + 22005481 = 5755^2 + 4691^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13781375 + ... + 13781378.

Almost surely, 2^55125506 is an apocalyptic number.

55125506 is a deficient number, since it is larger than the sum of its proper divisors (27562756).

55125506 is a wasteful number, since it uses less digits than its factorization.

55125506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27562755.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 55125506 is about 7424.6552781931. The cubic root of 55125506 is about 380.5842950225.

The spelling of 55125506 in words is "fifty-five million, one hundred twenty-five thousand, five hundred six".