55501523 has 16 divisors (see below), whose sum is σ = 69382656. Its totient is φ = 43131840.

The previous prime is 55501513. The next prime is 55501531. The reversal of 55501523 is 32510555.

It is a cyclic number.

It is not a de Polignac number, because 55501523 - 2⁸ = 55501267 is a prime.

It is a super-3 number, since 3×55501523³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55501492 and 55501501.

It is not an unprimeable number, because it can be changed into a prime (55501513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38015 + ... + 39447.

It is an arithmetic number, because the mean of its divisors is an integer number (4336416).

Almost surely, 2^55501523 is an apocalyptic number.

55501523 is a deficient number, since it is larger than the sum of its proper divisors (13881133).

55501523 is a wasteful number, since it uses less digits than its factorization.

55501523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55501523 is about 7449.9344292416. The cubic root of 55501523 is about 381.4476703868.

The spelling of 55501523 in words is "fifty-five million, five hundred one thousand, five hundred twenty-three".