55946542 has 4 divisors (see below), whose sum is σ = 83919816. Its totient is φ = 27973270.

The previous prime is 55946533. The next prime is 55946567. The reversal of 55946542 is 24564955.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24564955 = 5 ⋅4912991.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 55946495 and 55946504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13986634 + ... + 13986637.

It is an arithmetic number, because the mean of its divisors is an integer number (20979954).

Almost surely, 2^55946542 is an apocalyptic number.

55946542 is a deficient number, since it is larger than the sum of its proper divisors (27973274).

55946542 is a wasteful number, since it uses less digits than its factorization.

55946542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27973273.

The product of its digits is 216000, while the sum is 40.

The square root of 55946542 is about 7479.7421078537. The cubic root of 55946542 is about 382.4644579446.

The spelling of 55946542 in words is "fifty-five million, nine hundred forty-six thousand, five hundred forty-two".