55642053 has 8 divisors (see below), whose sum is σ = 74245248. Its totient is φ = 37066784.

The previous prime is 55642049. The next prime is 55642057. The reversal of 55642053 is 35024655.

It is an interprime number because it is at equal distance from previous prime (55642049) and next prime (55642057).

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

It is a cyclic number.

It is not a de Polignac number, because 55642053 - 2² = 55642049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55642053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55642057) 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, 1776 + ... + 10697.

It is an arithmetic number, because the mean of its divisors is an integer number (9280656).

Almost surely, 2^55642053 is an apocalyptic number.

It is an amenable number.

55642053 is a deficient number, since it is larger than the sum of its proper divisors (18603195).

55642053 is a wasteful number, since it uses less digits than its factorization.

55642053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13963.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 55642053 is about 7459.3600931983. The cubic root of 55642053 is about 381.7693412121.

The spelling of 55642053 in words is "fifty-five million, six hundred forty-two thousand, fifty-three".