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55464061 = 281197381
BaseRepresentation
bin1101001110010…
…1000001111101
310212100212101111
43103211001331
5103144322221
65300442021
71242302542
oct323450175
9125325344
1055464061
1129342a74
12166a9311
13b64c493
14751abc9
154d08be1
hex34e507d

55464061 has 4 divisors (see below), whose sum is σ = 55661724. Its totient is φ = 55266400.

The previous prime is 55464001. The next prime is 55464091. The reversal of 55464061 is 16046455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41847961 + 13616100 = 6469^2 + 3690^2 .

It is a cyclic number.

It is not a de Polignac number, because 55464061 - 29 = 55463549 is a prime.

It is a super-2 number, since 2×554640612 = 6152524125223442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55464001) 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, 98410 + ... + 98971.

It is an arithmetic number, because the mean of its divisors is an integer number (13915431).

Almost surely, 255464061 is an apocalyptic number.

It is an amenable number.

55464061 is a deficient number, since it is larger than the sum of its proper divisors (197663).

55464061 is a wasteful number, since it uses less digits than its factorization.

55464061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197662.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 55464061 is about 7447.4197545190. The cubic root of 55464061 is about 381.3618288451.

The spelling of 55464061 in words is "fifty-five million, four hundred sixty-four thousand, sixty-one".

Divisors: 1 281 197381 55464061