55152485 has 4 divisors (see below), whose sum is σ = 66182988. Its totient is φ = 44121984.

The previous prime is 55152473. The next prime is 55152491. The reversal of 55152485 is 58425155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58425155 = 5 ⋅11685031.

It can be written as a sum of positive squares in 2 ways, for example, as 7845601 + 47306884 = 2801^2 + 6878^2 .

It is a cyclic number.

It is not a de Polignac number, because 55152485 - 2¹⁰ = 55151461 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 5515244 + ... + 5515253.

It is an arithmetic number, because the mean of its divisors is an integer number (16545747).

Almost surely, 2^55152485 is an apocalyptic number.

It is an amenable number.

55152485 is a deficient number, since it is larger than the sum of its proper divisors (11030503).

55152485 is a wasteful number, since it uses less digits than its factorization.

55152485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11030502.

The product of its digits is 40000, while the sum is 35.

The square root of 55152485 is about 7426.4719079789. The cubic root of 55152485 is about 380.6463722099.

It can be divided in two parts, 5515 and 2485, that added together give a cube (8000 = 20³).

The spelling of 55152485 in words is "fifty-five million, one hundred fifty-two thousand, four hundred eighty-five".