55712542 has 8 divisors (see below), whose sum is σ = 83640816. Its totient is φ = 27832272.

The previous prime is 55712539. The next prime is 55712543. The reversal of 55712542 is 24521755.

55712542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×55712542² = 6207774672203528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55712543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8943 + ... + 13834.

It is an arithmetic number, because the mean of its divisors is an integer number (10455102).

Almost surely, 2^55712542 is an apocalyptic number.

55712542 is a deficient number, since it is larger than the sum of its proper divisors (27928274).

55712542 is a wasteful number, since it uses less digits than its factorization.

55712542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24002.

The product of its digits is 14000, while the sum is 31.

The square root of 55712542 is about 7464.0834668431. The cubic root of 55712542 is about 381.9304854183.

The spelling of 55712542 in words is "fifty-five million, seven hundred twelve thousand, five hundred forty-two".