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55420041 = 323803189
BaseRepresentation
bin1101001101101…
…0010010001001
310212021122000010
43103122102021
5103141420131
65255502133
71242030315
oct323322211
9125248003
1055420041
1129312996
1216687949
13b635431
147508b45
154ceab46
hex34da489

55420041 has 8 divisors (see below), whose sum is σ = 77106240. Its totient is φ = 35340272.

The previous prime is 55420039. The next prime is 55420049. The reversal of 55420041 is 14002455.

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 55420041 - 21 = 55420039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55420049) 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, 401526 + ... + 401663.

It is an arithmetic number, because the mean of its divisors is an integer number (9638280).

Almost surely, 255420041 is an apocalyptic number.

It is an amenable number.

55420041 is a deficient number, since it is larger than the sum of its proper divisors (21686199).

55420041 is a wasteful number, since it uses less digits than its factorization.

55420041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803215.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 55420041 is about 7444.4637818986. The cubic root of 55420041 is about 381.2609106973.

Adding to 55420041 its reverse (14002455), we get a palindrome (69422496).

The spelling of 55420041 in words is "fifty-five million, four hundred twenty thousand, forty-one".

Divisors: 1 3 23 69 803189 2409567 18473347 55420041