55142463 has 8 divisors (see below), whose sum is σ = 74281648. Its totient is φ = 36382464.

The previous prime is 55142449. The next prime is 55142471. The reversal of 55142463 is 36424155.

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

It is not a de Polignac number, because 55142463 - 2⁴ = 55142447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55142463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55142473) 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, 94456 + ... + 95037.

It is an arithmetic number, because the mean of its divisors is an integer number (9285206).

Almost surely, 2^55142463 is an apocalyptic number.

55142463 is a deficient number, since it is larger than the sum of its proper divisors (19139185).

55142463 is a wasteful number, since it uses less digits than its factorization.

55142463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189593.

The product of its digits is 14400, while the sum is 30.

The square root of 55142463 is about 7425.7971289283. The cubic root of 55142463 is about 380.6233145058.

The spelling of 55142463 in words is "fifty-five million, one hundred forty-two thousand, four hundred sixty-three".