55752503 has 4 divisors (see below), whose sum is σ = 59032080. Its totient is φ = 52472928.

The previous prime is 55752493. The next prime is 55752523. The reversal of 55752503 is 30525755.

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

It is a cyclic number.

It is not a de Polignac number, because 55752503 - 2¹⁸ = 55490359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55752503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55752523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639763 + ... + 1639796.

It is an arithmetic number, because the mean of its divisors is an integer number (14758020).

Almost surely, 2^55752503 is an apocalyptic number.

55752503 is a deficient number, since it is larger than the sum of its proper divisors (3279577).

55752503 is a wasteful number, since it uses less digits than its factorization.

55752503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279576.

The product of its (nonzero) digits is 26250, while the sum is 32.

The square root of 55752503 is about 7466.7598729302. The cubic root of 55752503 is about 382.0217795025.

The spelling of 55752503 in words is "fifty-five million, seven hundred fifty-two thousand, five hundred three".