55942453 has 4 divisors (see below), whose sum is σ = 63934240. Its totient is φ = 47950668.

The previous prime is 55942423. The next prime is 55942457. The reversal of 55942453 is 35424955.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35424955 = 5 ⋅7084991.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55942453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55942457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3995883 + ... + 3995896.

It is an arithmetic number, because the mean of its divisors is an integer number (15983560).

Almost surely, 2^55942453 is an apocalyptic number.

It is an amenable number.

55942453 is a deficient number, since it is larger than the sum of its proper divisors (7991787).

55942453 is an equidigital number, since it uses as much as digits as its factorization.

55942453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7991786.

The product of its digits is 108000, while the sum is 37.

The square root of 55942453 is about 7479.4687645581. The cubic root of 55942453 is about 382.4551399110.

The spelling of 55942453 in words is "fifty-five million, nine hundred forty-two thousand, four hundred fifty-three".