55142552 has 16 divisors (see below), whose sum is σ = 106728000. Its totient is φ = 26681760.

The previous prime is 55142537. The next prime is 55142567. The reversal of 55142552 is 25524155.

It is an interprime number because it is at equal distance from previous prime (55142537) and next prime (55142567).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 110927 + ... + 111422.

It is an arithmetic number, because the mean of its divisors is an integer number (6670500).

Almost surely, 2^55142552 is an apocalyptic number.

It is an amenable number.

55142552 is a deficient number, since it is larger than the sum of its proper divisors (51585448).

55142552 is a wasteful number, since it uses less digits than its factorization.

55142552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222386 (or 222382 counting only the distinct ones).

The product of its digits is 10000, while the sum is 29.

The square root of 55142552 is about 7425.8031215485. The cubic root of 55142552 is about 380.6235192812.

The spelling of 55142552 in words is "fifty-five million, one hundred forty-two thousand, five hundred fifty-two".