55132757 has 8 divisors (see below), whose sum is σ = 56010240. Its totient is φ = 54259920.

The previous prime is 55132747. The next prime is 55132789. The reversal of 55132757 is 75723155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55132757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55132747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28532 + ... + 30402.

It is an arithmetic number, because the mean of its divisors is an integer number (7001280).

Almost surely, 2^55132757 is an apocalyptic number.

It is an amenable number.

55132757 is a deficient number, since it is larger than the sum of its proper divisors (877483).

55132757 is a wasteful number, since it uses less digits than its factorization.

55132757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323.

The product of its digits is 36750, while the sum is 35.

The square root of 55132757 is about 7425.1435676356. The cubic root of 55132757 is about 380.6009811625.

It can be divided in two parts, 5513 and 2757, that multiplied together give a triangular number (15199341 = T₅₅₁₃).

The spelling of 55132757 in words is "fifty-five million, one hundred thirty-two thousand, seven hundred fifty-seven".