55246642 has 16 divisors (see below), whose sum is σ = 95162400. Its totient is φ = 23790240.

The previous prime is 55246603. The next prime is 55246643. The reversal of 55246642 is 24664255.

It is a junction number, because it is equal to n+sod(n) for n = 55246598 and 55246607.

It is not an unprimeable number, because it can be changed into a prime (55246643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65667 + ... + 66502.

It is an arithmetic number, because the mean of its divisors is an integer number (5947650).

Almost surely, 2^55246642 is an apocalyptic number.

55246642 is a deficient number, since it is larger than the sum of its proper divisors (39915758).

55246642 is a wasteful number, since it uses less digits than its factorization.

55246642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132201.

The product of its digits is 57600, while the sum is 34.

The square root of 55246642 is about 7432.8084867027. The cubic root of 55246642 is about 380.8628637787.

The spelling of 55246642 in words is "fifty-five million, two hundred forty-six thousand, six hundred forty-two".